Home / 18,177.38-27,246.42-7,644.95

Finding the Fourth Proportional to 18,177.38, 27,246.42 and 7,644.95

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Solution

The fourth proportional to 18,177.38, 27,246.42 and 7,644.95 is: 11,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.38 : 27,246.42 = 7,644.95 : x
  2. Step 2: Convert to fraction form
    18,177.38/27,246.42 = 7,644.95/x
  3. Step 3: Cross multiply
    18,177.38x = 27,246.42 × 7,644.95
  4. Step 4: Simplify right side
    18,177.38x = 208,297,518.58
  5. Step 5: Solve for x
    x = 208,297,518.58/18,177.38
  6. Step 6: Final answer
    x = 11,459.16

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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.