Home / 10,314.88-15,472.32-6,209.92

Finding the Fourth Proportional to 10,314.88, 15,472.32 and 6,209.92

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Solution

The fourth proportional to 10,314.88, 15,472.32 and 6,209.92 is: 9,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.88 : 15,472.32 = 6,209.92 : x
  2. Step 2: Convert to fraction form
    10,314.88/15,472.32 = 6,209.92/x
  3. Step 3: Cross multiply
    10,314.88x = 15,472.32 × 6,209.92
  4. Step 4: Simplify right side
    10,314.88x = 96,081,869.41
  5. Step 5: Solve for x
    x = 96,081,869.41/10,314.88
  6. Step 6: Final answer
    x = 9,314.88

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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.