Home / 16,134.75-22,268.11-9,766.48

Finding the Fourth Proportional to 16,134.75, 22,268.11 and 9,766.48

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Solution

The fourth proportional to 16,134.75, 22,268.11 and 9,766.48 is: 13,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,134.75 : 22,268.11 = 9,766.48 : x
  2. Step 2: Convert to fraction form
    16,134.75/22,268.11 = 9,766.48/x
  3. Step 3: Cross multiply
    16,134.75x = 22,268.11 × 9,766.48
  4. Step 4: Simplify right side
    16,134.75x = 217,481,050.95
  5. Step 5: Solve for x
    x = 217,481,050.95/16,134.75
  6. Step 6: Final answer
    x = 13,479.05

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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.