Home / 18,238.62-25,168.26-10,280.97

Finding the Fourth Proportional to 18,238.62, 25,168.26 and 10,280.97

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Solution

The fourth proportional to 18,238.62, 25,168.26 and 10,280.97 is: 14,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.62 : 25,168.26 = 10,280.97 : x
  2. Step 2: Convert to fraction form
    18,238.62/25,168.26 = 10,280.97/x
  3. Step 3: Cross multiply
    18,238.62x = 25,168.26 × 10,280.97
  4. Step 4: Simplify right side
    18,238.62x = 258,754,126.01
  5. Step 5: Solve for x
    x = 258,754,126.01/18,238.62
  6. Step 6: Final answer
    x = 14,187.15

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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.