Home / 22,773.15-34,148.78-12,909.78

Finding the Fourth Proportional to 22,773.15, 34,148.78 and 12,909.78

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Solution

The fourth proportional to 22,773.15, 34,148.78 and 12,909.78 is: 19,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,773.15 : 34,148.78 = 12,909.78 : x
  2. Step 2: Convert to fraction form
    22,773.15/34,148.78 = 12,909.78/x
  3. Step 3: Cross multiply
    22,773.15x = 34,148.78 × 12,909.78
  4. Step 4: Simplify right side
    22,773.15x = 440,853,354.71
  5. Step 5: Solve for x
    x = 440,853,354.71/22,773.15
  6. Step 6: Final answer
    x = 19,358.47

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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.