Home / 11,447.52-15,799.92-6,480.48

Finding the Fourth Proportional to 11,447.52, 15,799.92 and 6,480.48

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Solution

The fourth proportional to 11,447.52, 15,799.92 and 6,480.48 is: 8,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.52 : 15,799.92 = 6,480.48 : x
  2. Step 2: Convert to fraction form
    11,447.52/15,799.92 = 6,480.48/x
  3. Step 3: Cross multiply
    11,447.52x = 15,799.92 × 6,480.48
  4. Step 4: Simplify right side
    11,447.52x = 102,391,065.56
  5. Step 5: Solve for x
    x = 102,391,065.56/11,447.52
  6. Step 6: Final answer
    x = 8,944.39

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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.