Home / 18,174.15-25,079.09-10,217.61

Finding the Fourth Proportional to 18,174.15, 25,079.09 and 10,217.61

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Solution

The fourth proportional to 18,174.15, 25,079.09 and 10,217.61 is: 14,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.15 : 25,079.09 = 10,217.61 : x
  2. Step 2: Convert to fraction form
    18,174.15/25,079.09 = 10,217.61/x
  3. Step 3: Cross multiply
    18,174.15x = 25,079.09 × 10,217.61
  4. Step 4: Simplify right side
    18,174.15x = 256,248,309.69
  5. Step 5: Solve for x
    x = 256,248,309.69/18,174.15
  6. Step 6: Final answer
    x = 14,099.60

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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.