Home / 14,887.60-22,331.40-12,481.90

Finding the Fourth Proportional to 14,887.60, 22,331.40 and 12,481.90

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Solution

The fourth proportional to 14,887.60, 22,331.40 and 12,481.90 is: 18,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.60 : 22,331.40 = 12,481.90 : x
  2. Step 2: Convert to fraction form
    14,887.60/22,331.40 = 12,481.90/x
  3. Step 3: Cross multiply
    14,887.60x = 22,331.40 × 12,481.90
  4. Step 4: Simplify right side
    14,887.60x = 278,738,301.66
  5. Step 5: Solve for x
    x = 278,738,301.66/14,887.60
  6. Step 6: Final answer
    x = 18,722.85

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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.