Home / 22,918.20-34,376.82-12,393.24

Finding the Fourth Proportional to 22,918.20, 34,376.82 and 12,393.24

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Solution

The fourth proportional to 22,918.20, 34,376.82 and 12,393.24 is: 18,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.20 : 34,376.82 = 12,393.24 : x
  2. Step 2: Convert to fraction form
    22,918.20/34,376.82 = 12,393.24/x
  3. Step 3: Cross multiply
    22,918.20x = 34,376.82 × 12,393.24
  4. Step 4: Simplify right side
    22,918.20x = 426,040,180.70
  5. Step 5: Solve for x
    x = 426,040,180.70/22,918.20
  6. Step 6: Final answer
    x = 18,589.60

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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.