Home / 10,729.13-16,088.22-4,487.45

Finding the Fourth Proportional to 10,729.13, 16,088.22 and 4,487.45

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Solution

The fourth proportional to 10,729.13, 16,088.22 and 4,487.45 is: 6,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.13 : 16,088.22 = 4,487.45 : x
  2. Step 2: Convert to fraction form
    10,729.13/16,088.22 = 4,487.45/x
  3. Step 3: Cross multiply
    10,729.13x = 16,088.22 × 4,487.45
  4. Step 4: Simplify right side
    10,729.13x = 72,195,002.40
  5. Step 5: Solve for x
    x = 72,195,002.40/10,729.13
  6. Step 6: Final answer
    x = 6,728.88

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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.