Home / 15,063.48-20,788.62-8,350.20

Finding the Fourth Proportional to 15,063.48, 20,788.62 and 8,350.20

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Solution

The fourth proportional to 15,063.48, 20,788.62 and 8,350.20 is: 11,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.48 : 20,788.62 = 8,350.20 : x
  2. Step 2: Convert to fraction form
    15,063.48/20,788.62 = 8,350.20/x
  3. Step 3: Cross multiply
    15,063.48x = 20,788.62 × 8,350.20
  4. Step 4: Simplify right side
    15,063.48x = 173,589,134.72
  5. Step 5: Solve for x
    x = 173,589,134.72/15,063.48
  6. Step 6: Final answer
    x = 11,523.84

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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.