Home / 20,171.52-27,842.76-13,098.96

Finding the Fourth Proportional to 20,171.52, 27,842.76 and 13,098.96

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Solution

The fourth proportional to 20,171.52, 27,842.76 and 13,098.96 is: 18,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.52 : 27,842.76 = 13,098.96 : x
  2. Step 2: Convert to fraction form
    20,171.52/27,842.76 = 13,098.96/x
  3. Step 3: Cross multiply
    20,171.52x = 27,842.76 × 13,098.96
  4. Step 4: Simplify right side
    20,171.52x = 364,711,199.53
  5. Step 5: Solve for x
    x = 364,711,199.53/20,171.52
  6. Step 6: Final answer
    x = 18,080.50

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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.