Home / 10,568.16-15,862.08-5,377.92

Finding the Fourth Proportional to 10,568.16, 15,862.08 and 5,377.92

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Solution

The fourth proportional to 10,568.16, 15,862.08 and 5,377.92 is: 8,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.16 : 15,862.08 = 5,377.92 : x
  2. Step 2: Convert to fraction form
    10,568.16/15,862.08 = 5,377.92/x
  3. Step 3: Cross multiply
    10,568.16x = 15,862.08 × 5,377.92
  4. Step 4: Simplify right side
    10,568.16x = 85,304,997.27
  5. Step 5: Solve for x
    x = 85,304,997.27/10,568.16
  6. Step 6: Final answer
    x = 8,071.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.