Home / 11,605.62-16,016.08-6,300.76

Finding the Fourth Proportional to 11,605.62, 16,016.08 and 6,300.76

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Solution

The fourth proportional to 11,605.62, 16,016.08 and 6,300.76 is: 8,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.62 : 16,016.08 = 6,300.76 : x
  2. Step 2: Convert to fraction form
    11,605.62/16,016.08 = 6,300.76/x
  3. Step 3: Cross multiply
    11,605.62x = 16,016.08 × 6,300.76
  4. Step 4: Simplify right side
    11,605.62x = 100,913,476.22
  5. Step 5: Solve for x
    x = 100,913,476.22/11,605.62
  6. Step 6: Final answer
    x = 8,695.22

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Find fourth proportional to 5,802.81, 8,008.04 and 3,150.38
Half scale
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Double scale
Find fourth proportional to 11,606.62, 16,017.46 and 6,301.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.