Home / 10,642.92-14,686.68-5,861.96

Finding the Fourth Proportional to 10,642.92, 14,686.68 and 5,861.96

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Solution

The fourth proportional to 10,642.92, 14,686.68 and 5,861.96 is: 8,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.92 : 14,686.68 = 5,861.96 : x
  2. Step 2: Convert to fraction form
    10,642.92/14,686.68 = 5,861.96/x
  3. Step 3: Cross multiply
    10,642.92x = 14,686.68 × 5,861.96
  4. Step 4: Simplify right side
    10,642.92x = 86,092,730.69
  5. Step 5: Solve for x
    x = 86,092,730.69/10,642.92
  6. Step 6: Final answer
    x = 8,089.20

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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.