Home / 21,229.18-31,832.82-9,532.38

Finding the Fourth Proportional to 21,229.18, 31,832.82 and 9,532.38

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Solution

The fourth proportional to 21,229.18, 31,832.82 and 9,532.38 is: 14,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.18 : 31,832.82 = 9,532.38 : x
  2. Step 2: Convert to fraction form
    21,229.18/31,832.82 = 9,532.38/x
  3. Step 3: Cross multiply
    21,229.18x = 31,832.82 × 9,532.38
  4. Step 4: Simplify right side
    21,229.18x = 303,442,536.71
  5. Step 5: Solve for x
    x = 303,442,536.71/21,229.18
  6. Step 6: Final answer
    x = 14,293.65

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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.