Home / 18,548.28-27,787.56-9,177.42

Finding the Fourth Proportional to 18,548.28, 27,787.56 and 9,177.42

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Solution

The fourth proportional to 18,548.28, 27,787.56 and 9,177.42 is: 13,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.28 : 27,787.56 = 9,177.42 : x
  2. Step 2: Convert to fraction form
    18,548.28/27,787.56 = 9,177.42/x
  3. Step 3: Cross multiply
    18,548.28x = 27,787.56 × 9,177.42
  4. Step 4: Simplify right side
    18,548.28x = 255,018,108.90
  5. Step 5: Solve for x
    x = 255,018,108.90/18,548.28
  6. Step 6: Final answer
    x = 13,748.88

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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.