Home / 15,002.42-22,517.75-7,612.18

Finding the Fourth Proportional to 15,002.42, 22,517.75 and 7,612.18

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Solution

The fourth proportional to 15,002.42, 22,517.75 and 7,612.18 is: 11,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.42 : 22,517.75 = 7,612.18 : x
  2. Step 2: Convert to fraction form
    15,002.42/22,517.75 = 7,612.18/x
  3. Step 3: Cross multiply
    15,002.42x = 22,517.75 × 7,612.18
  4. Step 4: Simplify right side
    15,002.42x = 171,409,229.28
  5. Step 5: Solve for x
    x = 171,409,229.28/15,002.42
  6. Step 6: Final answer
    x = 11,425.44

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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.