Home / 20,193.17-27,867.89-13,474.52

Finding the Fourth Proportional to 20,193.17, 27,867.89 and 13,474.52

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Solution

The fourth proportional to 20,193.17, 27,867.89 and 13,474.52 is: 18,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.17 : 27,867.89 = 13,474.52 : x
  2. Step 2: Convert to fraction form
    20,193.17/27,867.89 = 13,474.52/x
  3. Step 3: Cross multiply
    20,193.17x = 27,867.89 × 13,474.52
  4. Step 4: Simplify right side
    20,193.17x = 375,506,234.45
  5. Step 5: Solve for x
    x = 375,506,234.45/20,193.17
  6. Step 6: Final answer
    x = 18,595.71

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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.