Home / 15,945.71-22,035.42-11,959.90

Finding the Fourth Proportional to 15,945.71, 22,035.42 and 11,959.90

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Solution

The fourth proportional to 15,945.71, 22,035.42 and 11,959.90 is: 16,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.71 : 22,035.42 = 11,959.90 : x
  2. Step 2: Convert to fraction form
    15,945.71/22,035.42 = 11,959.90/x
  3. Step 3: Cross multiply
    15,945.71x = 22,035.42 × 11,959.90
  4. Step 4: Simplify right side
    15,945.71x = 263,541,419.66
  5. Step 5: Solve for x
    x = 263,541,419.66/15,945.71
  6. Step 6: Final answer
    x = 16,527.42

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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.