Home / 18,461.28-27,691.92-4,610.40

Finding the Fourth Proportional to 18,461.28, 27,691.92 and 4,610.40

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Solution

The fourth proportional to 18,461.28, 27,691.92 and 4,610.40 is: 6,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.28 : 27,691.92 = 4,610.40 : x
  2. Step 2: Convert to fraction form
    18,461.28/27,691.92 = 4,610.40/x
  3. Step 3: Cross multiply
    18,461.28x = 27,691.92 × 4,610.40
  4. Step 4: Simplify right side
    18,461.28x = 127,670,827.97
  5. Step 5: Solve for x
    x = 127,670,827.97/18,461.28
  6. Step 6: Final answer
    x = 6,915.60

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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.