Home / 18,001.52-26,998.24-6,314.80

Finding the Fourth Proportional to 18,001.52, 26,998.24 and 6,314.80

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Solution

The fourth proportional to 18,001.52, 26,998.24 and 6,314.80 is: 9,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.52 : 26,998.24 = 6,314.80 : x
  2. Step 2: Convert to fraction form
    18,001.52/26,998.24 = 6,314.80/x
  3. Step 3: Cross multiply
    18,001.52x = 26,998.24 × 6,314.80
  4. Step 4: Simplify right side
    18,001.52x = 170,488,485.95
  5. Step 5: Solve for x
    x = 170,488,485.95/18,001.52
  6. Step 6: Final answer
    x = 9,470.78

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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.