Home / 16,306.20-24,443.10-7,979.40

Finding the Fourth Proportional to 16,306.20, 24,443.10 and 7,979.40

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Solution

The fourth proportional to 16,306.20, 24,443.10 and 7,979.40 is: 11,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,306.20 : 24,443.10 = 7,979.40 : x
  2. Step 2: Convert to fraction form
    16,306.20/24,443.10 = 7,979.40/x
  3. Step 3: Cross multiply
    16,306.20x = 24,443.10 × 7,979.40
  4. Step 4: Simplify right side
    16,306.20x = 195,041,272.14
  5. Step 5: Solve for x
    x = 195,041,272.14/16,306.20
  6. Step 6: Final answer
    x = 11,961.17

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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.