Home / 22,512.75-31,068.05-12,441.62

Finding the Fourth Proportional to 22,512.75, 31,068.05 and 12,441.62

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Solution

The fourth proportional to 22,512.75, 31,068.05 and 12,441.62 is: 17,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.75 : 31,068.05 = 12,441.62 : x
  2. Step 2: Convert to fraction form
    22,512.75/31,068.05 = 12,441.62/x
  3. Step 3: Cross multiply
    22,512.75x = 31,068.05 × 12,441.62
  4. Step 4: Simplify right side
    22,512.75x = 386,536,654.69
  5. Step 5: Solve for x
    x = 386,536,654.69/22,512.75
  6. Step 6: Final answer
    x = 17,169.68

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1.5x scale

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.