Home / 14,552.76-20,081.19-8,177.88

Finding the Fourth Proportional to 14,552.76, 20,081.19 and 8,177.88

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Solution

The fourth proportional to 14,552.76, 20,081.19 and 8,177.88 is: 11,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,552.76 : 20,081.19 = 8,177.88 : x
  2. Step 2: Convert to fraction form
    14,552.76/20,081.19 = 8,177.88/x
  3. Step 3: Cross multiply
    14,552.76x = 20,081.19 × 8,177.88
  4. Step 4: Simplify right side
    14,552.76x = 164,221,562.08
  5. Step 5: Solve for x
    x = 164,221,562.08/14,552.76
  6. Step 6: Final answer
    x = 11,284.56

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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.