Home / 15,473.22-21,355.14-8,761.56

Finding the Fourth Proportional to 15,473.22, 21,355.14 and 8,761.56

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Solution

The fourth proportional to 15,473.22, 21,355.14 and 8,761.56 is: 12,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.22 : 21,355.14 = 8,761.56 : x
  2. Step 2: Convert to fraction form
    15,473.22/21,355.14 = 8,761.56/x
  3. Step 3: Cross multiply
    15,473.22x = 21,355.14 × 8,761.56
  4. Step 4: Simplify right side
    15,473.22x = 187,104,340.42
  5. Step 5: Solve for x
    x = 187,104,340.42/15,473.22
  6. Step 6: Final answer
    x = 12,092.14

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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.