Home / 23,319.11-32,176.72-13,108.12

Finding the Fourth Proportional to 23,319.11, 32,176.72 and 13,108.12

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Solution

The fourth proportional to 23,319.11, 32,176.72 and 13,108.12 is: 18,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.11 : 32,176.72 = 13,108.12 : x
  2. Step 2: Convert to fraction form
    23,319.11/32,176.72 = 13,108.12/x
  3. Step 3: Cross multiply
    23,319.11x = 32,176.72 × 13,108.12
  4. Step 4: Simplify right side
    23,319.11x = 421,776,306.97
  5. Step 5: Solve for x
    x = 421,776,306.97/23,319.11
  6. Step 6: Final answer
    x = 18,087.15

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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.