Home / 10,447.52-15,669.20-4,899.44

Finding the Fourth Proportional to 10,447.52, 15,669.20 and 4,899.44

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Solution

The fourth proportional to 10,447.52, 15,669.20 and 4,899.44 is: 7,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.52 : 15,669.20 = 4,899.44 : x
  2. Step 2: Convert to fraction form
    10,447.52/15,669.20 = 4,899.44/x
  3. Step 3: Cross multiply
    10,447.52x = 15,669.20 × 4,899.44
  4. Step 4: Simplify right side
    10,447.52x = 76,770,305.25
  5. Step 5: Solve for x
    x = 76,770,305.25/10,447.52
  6. Step 6: Final answer
    x = 7,348.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.