Home / 14,389.92-21,561.11-6,581.52

Finding the Fourth Proportional to 14,389.92, 21,561.11 and 6,581.52

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Solution

The fourth proportional to 14,389.92, 21,561.11 and 6,581.52 is: 9,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.92 : 21,561.11 = 6,581.52 : x
  2. Step 2: Convert to fraction form
    14,389.92/21,561.11 = 6,581.52/x
  3. Step 3: Cross multiply
    14,389.92x = 21,561.11 × 6,581.52
  4. Step 4: Simplify right side
    14,389.92x = 141,904,843.78
  5. Step 5: Solve for x
    x = 141,904,843.78/14,389.92
  6. Step 6: Final answer
    x = 9,861.41

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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.