Home / 22,399.20-33,597.45-9,915.57

Finding the Fourth Proportional to 22,399.20, 33,597.45 and 9,915.57

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Solution

The fourth proportional to 22,399.20, 33,597.45 and 9,915.57 is: 14,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.20 : 33,597.45 = 9,915.57 : x
  2. Step 2: Convert to fraction form
    22,399.20/33,597.45 = 9,915.57/x
  3. Step 3: Cross multiply
    22,399.20x = 33,597.45 × 9,915.57
  4. Step 4: Simplify right side
    22,399.20x = 333,137,867.30
  5. Step 5: Solve for x
    x = 333,137,867.30/22,399.20
  6. Step 6: Final answer
    x = 14,872.76

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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.