Home / 10,003.20-13,799.52-6,469.44

Finding the Fourth Proportional to 10,003.20, 13,799.52 and 6,469.44

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Solution

The fourth proportional to 10,003.20, 13,799.52 and 6,469.44 is: 8,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.20 : 13,799.52 = 6,469.44 : x
  2. Step 2: Convert to fraction form
    10,003.20/13,799.52 = 6,469.44/x
  3. Step 3: Cross multiply
    10,003.20x = 13,799.52 × 6,469.44
  4. Step 4: Simplify right side
    10,003.20x = 89,275,166.67
  5. Step 5: Solve for x
    x = 89,275,166.67/10,003.20
  6. Step 6: Final answer
    x = 8,924.66

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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.