Home / 15,344.38-21,176.01-8,632.12

Finding the Fourth Proportional to 15,344.38, 21,176.01 and 8,632.12

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Solution

The fourth proportional to 15,344.38, 21,176.01 and 8,632.12 is: 11,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.38 : 21,176.01 = 8,632.12 : x
  2. Step 2: Convert to fraction form
    15,344.38/21,176.01 = 8,632.12/x
  3. Step 3: Cross multiply
    15,344.38x = 21,176.01 × 8,632.12
  4. Step 4: Simplify right side
    15,344.38x = 182,793,859.44
  5. Step 5: Solve for x
    x = 182,793,859.44/15,344.38
  6. Step 6: Final answer
    x = 11,912.76

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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.