Home / 22,765.20-34,147.80-12,240.18

Finding the Fourth Proportional to 22,765.20, 34,147.80 and 12,240.18

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Solution

The fourth proportional to 22,765.20, 34,147.80 and 12,240.18 is: 18,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.20 : 34,147.80 = 12,240.18 : x
  2. Step 2: Convert to fraction form
    22,765.20/34,147.80 = 12,240.18/x
  3. Step 3: Cross multiply
    22,765.20x = 34,147.80 × 12,240.18
  4. Step 4: Simplify right side
    22,765.20x = 417,975,057.33
  5. Step 5: Solve for x
    x = 417,975,057.33/22,765.20
  6. Step 6: Final answer
    x = 18,360.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.