Home / 15,064.82-20,788.87-8,350.55

Finding the Fourth Proportional to 15,064.82, 20,788.87 and 8,350.55

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Solution

The fourth proportional to 15,064.82, 20,788.87 and 8,350.55 is: 11,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.82 : 20,788.87 = 8,350.55 : x
  2. Step 2: Convert to fraction form
    15,064.82/20,788.87 = 8,350.55/x
  3. Step 3: Cross multiply
    15,064.82x = 20,788.87 × 8,350.55
  4. Step 4: Simplify right side
    15,064.82x = 173,598,352.68
  5. Step 5: Solve for x
    x = 173,598,352.68/15,064.82
  6. Step 6: Final answer
    x = 11,523.43

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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.