Home / 15,489.88-23,232.38-12,874.18

Finding the Fourth Proportional to 15,489.88, 23,232.38 and 12,874.18

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Solution

The fourth proportional to 15,489.88, 23,232.38 and 12,874.18 is: 19,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.88 : 23,232.38 = 12,874.18 : x
  2. Step 2: Convert to fraction form
    15,489.88/23,232.38 = 12,874.18/x
  3. Step 3: Cross multiply
    15,489.88x = 23,232.38 × 12,874.18
  4. Step 4: Simplify right side
    15,489.88x = 299,097,841.95
  5. Step 5: Solve for x
    x = 299,097,841.95/15,489.88
  6. Step 6: Final answer
    x = 19,309.24

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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.