Home / 11,202.04-15,460.86-6,486.76

Finding the Fourth Proportional to 11,202.04, 15,460.86 and 6,486.76

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Solution

The fourth proportional to 11,202.04, 15,460.86 and 6,486.76 is: 8,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.04 : 15,460.86 = 6,486.76 : x
  2. Step 2: Convert to fraction form
    11,202.04/15,460.86 = 6,486.76/x
  3. Step 3: Cross multiply
    11,202.04x = 15,460.86 × 6,486.76
  4. Step 4: Simplify right side
    11,202.04x = 100,290,888.21
  5. Step 5: Solve for x
    x = 100,290,888.21/11,202.04
  6. Step 6: Final answer
    x = 8,952.91

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Half scale
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Double scale
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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.