Home / 15,187.60-22,781.61-5,327.17

Finding the Fourth Proportional to 15,187.60, 22,781.61 and 5,327.17

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Solution

The fourth proportional to 15,187.60, 22,781.61 and 5,327.17 is: 7,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.60 : 22,781.61 = 5,327.17 : x
  2. Step 2: Convert to fraction form
    15,187.60/22,781.61 = 5,327.17/x
  3. Step 3: Cross multiply
    15,187.60x = 22,781.61 × 5,327.17
  4. Step 4: Simplify right side
    15,187.60x = 121,361,509.34
  5. Step 5: Solve for x
    x = 121,361,509.34/15,187.60
  6. Step 6: Final answer
    x = 7,990.83

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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.