Home / 12,535.32-18,799.88-5,517.09

Finding the Fourth Proportional to 12,535.32, 18,799.88 and 5,517.09

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Solution

The fourth proportional to 12,535.32, 18,799.88 and 5,517.09 is: 8,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.32 : 18,799.88 = 5,517.09 : x
  2. Step 2: Convert to fraction form
    12,535.32/18,799.88 = 5,517.09/x
  3. Step 3: Cross multiply
    12,535.32x = 18,799.88 × 5,517.09
  4. Step 4: Simplify right side
    12,535.32x = 103,720,629.95
  5. Step 5: Solve for x
    x = 103,720,629.95/12,535.32
  6. Step 6: Final answer
    x = 8,274.27

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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.