Home / 18,214.28-25,146.42-17,164.52

Finding the Fourth Proportional to 18,214.28, 25,146.42 and 17,164.52

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Solution

The fourth proportional to 18,214.28, 25,146.42 and 17,164.52 is: 23,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.28 : 25,146.42 = 17,164.52 : x
  2. Step 2: Convert to fraction form
    18,214.28/25,146.42 = 17,164.52/x
  3. Step 3: Cross multiply
    18,214.28x = 25,146.42 × 17,164.52
  4. Step 4: Simplify right side
    18,214.28x = 431,626,229.02
  5. Step 5: Solve for x
    x = 431,626,229.02/18,214.28
  6. Step 6: Final answer
    x = 23,697.13

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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.