Home / 18,344.16-27,523.92-9,112.80

Finding the Fourth Proportional to 18,344.16, 27,523.92 and 9,112.80

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Solution

The fourth proportional to 18,344.16, 27,523.92 and 9,112.80 is: 13,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.16 : 27,523.92 = 9,112.80 : x
  2. Step 2: Convert to fraction form
    18,344.16/27,523.92 = 9,112.80/x
  3. Step 3: Cross multiply
    18,344.16x = 27,523.92 × 9,112.80
  4. Step 4: Simplify right side
    18,344.16x = 250,819,978.18
  5. Step 5: Solve for x
    x = 250,819,978.18/18,344.16
  6. Step 6: Final answer
    x = 13,673.02

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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.