Home / 18,429.03-25,432.11-12,060

Finding the Fourth Proportional to 18,429.03, 25,432.11 and 12,060

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Solution

The fourth proportional to 18,429.03, 25,432.11 and 12,060 is: 16,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.03 : 25,432.11 = 12,060 : x
  2. Step 2: Convert to fraction form
    18,429.03/25,432.11 = 12,060/x
  3. Step 3: Cross multiply
    18,429.03x = 25,432.11 × 12,060
  4. Step 4: Simplify right side
    18,429.03x = 306,711,246.60
  5. Step 5: Solve for x
    x = 306,711,246.60/18,429.03
  6. Step 6: Final answer
    x = 16,642.83

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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.