Home / 18,126.16-25,015.25-10,168.90

Finding the Fourth Proportional to 18,126.16, 25,015.25 and 10,168.90

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Solution

The fourth proportional to 18,126.16, 25,015.25 and 10,168.90 is: 14,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.16 : 25,015.25 = 10,168.90 : x
  2. Step 2: Convert to fraction form
    18,126.16/25,015.25 = 10,168.90/x
  3. Step 3: Cross multiply
    18,126.16x = 25,015.25 × 10,168.90
  4. Step 4: Simplify right side
    18,126.16x = 254,377,575.73
  5. Step 5: Solve for x
    x = 254,377,575.73/18,126.16
  6. Step 6: Final answer
    x = 14,033.73

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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.