Home / 18,269.76-27,414.72-9,036.48

Finding the Fourth Proportional to 18,269.76, 27,414.72 and 9,036.48

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Solution

The fourth proportional to 18,269.76, 27,414.72 and 9,036.48 is: 13,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.76 : 27,414.72 = 9,036.48 : x
  2. Step 2: Convert to fraction form
    18,269.76/27,414.72 = 9,036.48/x
  3. Step 3: Cross multiply
    18,269.76x = 27,414.72 × 9,036.48
  4. Step 4: Simplify right side
    18,269.76x = 247,732,568.99
  5. Step 5: Solve for x
    x = 247,732,568.99/18,269.76
  6. Step 6: Final answer
    x = 13,559.71

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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.