Home / 15,414.25-23,127.53-9,177.20

Finding the Fourth Proportional to 15,414.25, 23,127.53 and 9,177.20

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Solution

The fourth proportional to 15,414.25, 23,127.53 and 9,177.20 is: 13,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.25 : 23,127.53 = 9,177.20 : x
  2. Step 2: Convert to fraction form
    15,414.25/23,127.53 = 9,177.20/x
  3. Step 3: Cross multiply
    15,414.25x = 23,127.53 × 9,177.20
  4. Step 4: Simplify right side
    15,414.25x = 212,245,893.52
  5. Step 5: Solve for x
    x = 212,245,893.52/15,414.25
  6. Step 6: Final answer
    x = 13,769.46

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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.