Home / 20,272.56-30,409.26-9,177.24

Finding the Fourth Proportional to 20,272.56, 30,409.26 and 9,177.24

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Solution

The fourth proportional to 20,272.56, 30,409.26 and 9,177.24 is: 13,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.56 : 30,409.26 = 9,177.24 : x
  2. Step 2: Convert to fraction form
    20,272.56/30,409.26 = 9,177.24/x
  3. Step 3: Cross multiply
    20,272.56x = 30,409.26 × 9,177.24
  4. Step 4: Simplify right side
    20,272.56x = 279,073,077.24
  5. Step 5: Solve for x
    x = 279,073,077.24/20,272.56
  6. Step 6: Final answer
    x = 13,766.05

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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.