Home / 18,538.18-25,531.34-16,019.46

Finding the Fourth Proportional to 18,538.18, 25,531.34 and 16,019.46

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Solution

The fourth proportional to 18,538.18, 25,531.34 and 16,019.46 is: 22,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.18 : 25,531.34 = 16,019.46 : x
  2. Step 2: Convert to fraction form
    18,538.18/25,531.34 = 16,019.46/x
  3. Step 3: Cross multiply
    18,538.18x = 25,531.34 × 16,019.46
  4. Step 4: Simplify right side
    18,538.18x = 408,998,279.88
  5. Step 5: Solve for x
    x = 408,998,279.88/18,538.18
  6. Step 6: Final answer
    x = 22,062.48

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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.