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Finding the Fourth Proportional to 22,922.59, 34,384.18 and 7,340.21

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Solution

The fourth proportional to 22,922.59, 34,384.18 and 7,340.21 is: 11,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,922.59 : 34,384.18 = 7,340.21 : x
  2. Step 2: Convert to fraction form
    22,922.59/34,384.18 = 7,340.21/x
  3. Step 3: Cross multiply
    22,922.59x = 34,384.18 × 7,340.21
  4. Step 4: Simplify right side
    22,922.59x = 252,387,101.88
  5. Step 5: Solve for x
    x = 252,387,101.88/22,922.59
  6. Step 6: Final answer
    x = 11,010.41

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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.