Home / 10,929.52-15,082.16-6,451.64

Finding the Fourth Proportional to 10,929.52, 15,082.16 and 6,451.64

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Solution

The fourth proportional to 10,929.52, 15,082.16 and 6,451.64 is: 8,902.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.52 : 15,082.16 = 6,451.64 : x
  2. Step 2: Convert to fraction form
    10,929.52/15,082.16 = 6,451.64/x
  3. Step 3: Cross multiply
    10,929.52x = 15,082.16 × 6,451.64
  4. Step 4: Simplify right side
    10,929.52x = 97,304,666.74
  5. Step 5: Solve for x
    x = 97,304,666.74/10,929.52
  6. Step 6: Final answer
    x = 8,902.92

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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.