Home / 20,162.06-30,248.19-14,250.57

Finding the Fourth Proportional to 20,162.06, 30,248.19 and 14,250.57

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Solution

The fourth proportional to 20,162.06, 30,248.19 and 14,250.57 is: 21,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.06 : 30,248.19 = 14,250.57 : x
  2. Step 2: Convert to fraction form
    20,162.06/30,248.19 = 14,250.57/x
  3. Step 3: Cross multiply
    20,162.06x = 30,248.19 × 14,250.57
  4. Step 4: Simplify right side
    20,162.06x = 431,053,948.97
  5. Step 5: Solve for x
    x = 431,053,948.97/20,162.06
  6. Step 6: Final answer
    x = 21,379.46

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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.