Home / 12,314.88-18,456.22-10,750.90

Finding the Fourth Proportional to 12,314.88, 18,456.22 and 10,750.90

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Solution

The fourth proportional to 12,314.88, 18,456.22 and 10,750.90 is: 16,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,314.88 : 18,456.22 = 10,750.90 : x
  2. Step 2: Convert to fraction form
    12,314.88/18,456.22 = 10,750.90/x
  3. Step 3: Cross multiply
    12,314.88x = 18,456.22 × 10,750.90
  4. Step 4: Simplify right side
    12,314.88x = 198,420,975.60
  5. Step 5: Solve for x
    x = 198,420,975.60/12,314.88
  6. Step 6: Final answer
    x = 16,112.29

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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.