Home / 18,148.48-27,229.56-9,377.92

Finding the Fourth Proportional to 18,148.48, 27,229.56 and 9,377.92

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Solution

The fourth proportional to 18,148.48, 27,229.56 and 9,377.92 is: 14,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.48 : 27,229.56 = 9,377.92 : x
  2. Step 2: Convert to fraction form
    18,148.48/27,229.56 = 9,377.92/x
  3. Step 3: Cross multiply
    18,148.48x = 27,229.56 × 9,377.92
  4. Step 4: Simplify right side
    18,148.48x = 255,356,635.32
  5. Step 5: Solve for x
    x = 255,356,635.32/18,148.48
  6. Step 6: Final answer
    x = 14,070.41

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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.