Home / 18,340.28-25,311.12-11,269.16

Finding the Fourth Proportional to 18,340.28, 25,311.12 and 11,269.16

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Solution

The fourth proportional to 18,340.28, 25,311.12 and 11,269.16 is: 15,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.28 : 25,311.12 = 11,269.16 : x
  2. Step 2: Convert to fraction form
    18,340.28/25,311.12 = 11,269.16/x
  3. Step 3: Cross multiply
    18,340.28x = 25,311.12 × 11,269.16
  4. Step 4: Simplify right side
    18,340.28x = 285,235,061.06
  5. Step 5: Solve for x
    x = 285,235,061.06/18,340.28
  6. Step 6: Final answer
    x = 15,552.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.