Home / 22,147.24-30,562.03-12,585.85

Finding the Fourth Proportional to 22,147.24, 30,562.03 and 12,585.85

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Solution

The fourth proportional to 22,147.24, 30,562.03 and 12,585.85 is: 17,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.24 : 30,562.03 = 12,585.85 : x
  2. Step 2: Convert to fraction form
    22,147.24/30,562.03 = 12,585.85/x
  3. Step 3: Cross multiply
    22,147.24x = 30,562.03 × 12,585.85
  4. Step 4: Simplify right side
    22,147.24x = 384,649,125.28
  5. Step 5: Solve for x
    x = 384,649,125.28/22,147.24
  6. Step 6: Final answer
    x = 17,367.81

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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.