Home / 15,064.83-20,789.12-8,350.44

Finding the Fourth Proportional to 15,064.83, 20,789.12 and 8,350.44

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Solution

The fourth proportional to 15,064.83, 20,789.12 and 8,350.44 is: 11,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.83 : 20,789.12 = 8,350.44 : x
  2. Step 2: Convert to fraction form
    15,064.83/20,789.12 = 8,350.44/x
  3. Step 3: Cross multiply
    15,064.83x = 20,789.12 × 8,350.44
  4. Step 4: Simplify right side
    15,064.83x = 173,598,257.46
  5. Step 5: Solve for x
    x = 173,598,257.46/15,064.83
  6. Step 6: Final answer
    x = 11,523.41

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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.