Home / 15,945.55-22,035.21-11,959.75

Finding the Fourth Proportional to 15,945.55, 22,035.21 and 11,959.75

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Solution

The fourth proportional to 15,945.55, 22,035.21 and 11,959.75 is: 16,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.55 : 22,035.21 = 11,959.75 : x
  2. Step 2: Convert to fraction form
    15,945.55/22,035.21 = 11,959.75/x
  3. Step 3: Cross multiply
    15,945.55x = 22,035.21 × 11,959.75
  4. Step 4: Simplify right side
    15,945.55x = 263,535,432.82
  5. Step 5: Solve for x
    x = 263,535,432.82/15,945.55
  6. Step 6: Final answer
    x = 16,527.21

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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.