Home / 21,634.70-32,432.22-9,147.94

Finding the Fourth Proportional to 21,634.70, 32,432.22 and 9,147.94

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Solution

The fourth proportional to 21,634.70, 32,432.22 and 9,147.94 is: 13,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.70 : 32,432.22 = 9,147.94 : x
  2. Step 2: Convert to fraction form
    21,634.70/32,432.22 = 9,147.94/x
  3. Step 3: Cross multiply
    21,634.70x = 32,432.22 × 9,147.94
  4. Step 4: Simplify right side
    21,634.70x = 296,687,921.55
  5. Step 5: Solve for x
    x = 296,687,921.55/21,634.70
  6. Step 6: Final answer
    x = 13,713.52

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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.