Home / 15,945.55-22,035.20-11,959.74

Finding the Fourth Proportional to 15,945.55, 22,035.20 and 11,959.74

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Solution

The fourth proportional to 15,945.55, 22,035.20 and 11,959.74 is: 16,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.55 : 22,035.20 = 11,959.74 : x
  2. Step 2: Convert to fraction form
    15,945.55/22,035.20 = 11,959.74/x
  3. Step 3: Cross multiply
    15,945.55x = 22,035.20 × 11,959.74
  4. Step 4: Simplify right side
    15,945.55x = 263,535,262.85
  5. Step 5: Solve for x
    x = 263,535,262.85/15,945.55
  6. Step 6: Final answer
    x = 16,527.20

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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.