Home / 22,909.10-34,376.86-12,379.14

Finding the Fourth Proportional to 22,909.10, 34,376.86 and 12,379.14

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Solution

The fourth proportional to 22,909.10, 34,376.86 and 12,379.14 is: 18,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.10 : 34,376.86 = 12,379.14 : x
  2. Step 2: Convert to fraction form
    22,909.10/34,376.86 = 12,379.14/x
  3. Step 3: Cross multiply
    22,909.10x = 34,376.86 × 12,379.14
  4. Step 4: Simplify right side
    22,909.10x = 425,555,962.70
  5. Step 5: Solve for x
    x = 425,555,962.70/22,909.10
  6. Step 6: Final answer
    x = 18,575.85

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1.5x scale

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.