Home / 12,055.40-16,633.76-7,276.13

Finding the Fourth Proportional to 12,055.40, 16,633.76 and 7,276.13

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Solution

The fourth proportional to 12,055.40, 16,633.76 and 7,276.13 is: 10,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.40 : 16,633.76 = 7,276.13 : x
  2. Step 2: Convert to fraction form
    12,055.40/16,633.76 = 7,276.13/x
  3. Step 3: Cross multiply
    12,055.40x = 16,633.76 × 7,276.13
  4. Step 4: Simplify right side
    12,055.40x = 121,029,316.98
  5. Step 5: Solve for x
    x = 121,029,316.98/12,055.40
  6. Step 6: Final answer
    x = 10,039.43

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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.