Home / 18,147.68-25,025.38-17,089.40

Finding the Fourth Proportional to 18,147.68, 25,025.38 and 17,089.40

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Solution

The fourth proportional to 18,147.68, 25,025.38 and 17,089.40 is: 23,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.68 : 25,025.38 = 17,089.40 : x
  2. Step 2: Convert to fraction form
    18,147.68/25,025.38 = 17,089.40/x
  3. Step 3: Cross multiply
    18,147.68x = 25,025.38 × 17,089.40
  4. Step 4: Simplify right side
    18,147.68x = 427,668,728.97
  5. Step 5: Solve for x
    x = 427,668,728.97/18,147.68
  6. Step 6: Final answer
    x = 23,566.03

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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.