Home / 11,625.19-17,437.45-4,229.78

Finding the Fourth Proportional to 11,625.19, 17,437.45 and 4,229.78

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Solution

The fourth proportional to 11,625.19, 17,437.45 and 4,229.78 is: 6,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.19 : 17,437.45 = 4,229.78 : x
  2. Step 2: Convert to fraction form
    11,625.19/17,437.45 = 4,229.78/x
  3. Step 3: Cross multiply
    11,625.19x = 17,437.45 × 4,229.78
  4. Step 4: Simplify right side
    11,625.19x = 73,756,577.26
  5. Step 5: Solve for x
    x = 73,756,577.26/11,625.19
  6. Step 6: Final answer
    x = 6,344.55

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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.