Home / 18,264.75-25,188.66-11,538.66

Finding the Fourth Proportional to 18,264.75, 25,188.66 and 11,538.66

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Solution

The fourth proportional to 18,264.75, 25,188.66 and 11,538.66 is: 15,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.75 : 25,188.66 = 11,538.66 : x
  2. Step 2: Convert to fraction form
    18,264.75/25,188.66 = 11,538.66/x
  3. Step 3: Cross multiply
    18,264.75x = 25,188.66 × 11,538.66
  4. Step 4: Simplify right side
    18,264.75x = 290,643,383.60
  5. Step 5: Solve for x
    x = 290,643,383.60/18,264.75
  6. Step 6: Final answer
    x = 15,912.80

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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.