Home / 16,518.48-22,789.92-9,439.88

Finding the Fourth Proportional to 16,518.48, 22,789.92 and 9,439.88

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Solution

The fourth proportional to 16,518.48, 22,789.92 and 9,439.88 is: 13,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.48 : 22,789.92 = 9,439.88 : x
  2. Step 2: Convert to fraction form
    16,518.48/22,789.92 = 9,439.88/x
  3. Step 3: Cross multiply
    16,518.48x = 22,789.92 × 9,439.88
  4. Step 4: Simplify right side
    16,518.48x = 215,134,110.01
  5. Step 5: Solve for x
    x = 215,134,110.01/16,518.48
  6. Step 6: Final answer
    x = 13,023.84

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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.