Home / 15,232.26-21,020.37-8,517.90

Finding the Fourth Proportional to 15,232.26, 21,020.37 and 8,517.90

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Solution

The fourth proportional to 15,232.26, 21,020.37 and 8,517.90 is: 11,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.26 : 21,020.37 = 8,517.90 : x
  2. Step 2: Convert to fraction form
    15,232.26/21,020.37 = 8,517.90/x
  3. Step 3: Cross multiply
    15,232.26x = 21,020.37 × 8,517.90
  4. Step 4: Simplify right side
    15,232.26x = 179,049,409.62
  5. Step 5: Solve for x
    x = 179,049,409.62/15,232.26
  6. Step 6: Final answer
    x = 11,754.62

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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.