Home / 15,255.82-22,887.18-8,235.69

Finding the Fourth Proportional to 15,255.82, 22,887.18 and 8,235.69

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Solution

The fourth proportional to 15,255.82, 22,887.18 and 8,235.69 is: 12,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.82 : 22,887.18 = 8,235.69 : x
  2. Step 2: Convert to fraction form
    15,255.82/22,887.18 = 8,235.69/x
  3. Step 3: Cross multiply
    15,255.82x = 22,887.18 × 8,235.69
  4. Step 4: Simplify right side
    15,255.82x = 188,491,625.61
  5. Step 5: Solve for x
    x = 188,491,625.61/15,255.82
  6. Step 6: Final answer
    x = 12,355.39

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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.