Home / 15,422.95-23,131.52-7,517.53

Finding the Fourth Proportional to 15,422.95, 23,131.52 and 7,517.53

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Solution

The fourth proportional to 15,422.95, 23,131.52 and 7,517.53 is: 11,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.95 : 23,131.52 = 7,517.53 : x
  2. Step 2: Convert to fraction form
    15,422.95/23,131.52 = 7,517.53/x
  3. Step 3: Cross multiply
    15,422.95x = 23,131.52 × 7,517.53
  4. Step 4: Simplify right side
    15,422.95x = 173,891,915.06
  5. Step 5: Solve for x
    x = 173,891,915.06/15,422.95
  6. Step 6: Final answer
    x = 11,274.88

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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.