Home / 17,008.90-25,517.40-7,143.10

Finding the Fourth Proportional to 17,008.90, 25,517.40 and 7,143.10

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Solution

The fourth proportional to 17,008.90, 25,517.40 and 7,143.10 is: 10,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.90 : 25,517.40 = 7,143.10 : x
  2. Step 2: Convert to fraction form
    17,008.90/25,517.40 = 7,143.10/x
  3. Step 3: Cross multiply
    17,008.90x = 25,517.40 × 7,143.10
  4. Step 4: Simplify right side
    17,008.90x = 182,273,339.94
  5. Step 5: Solve for x
    x = 182,273,339.94/17,008.90
  6. Step 6: Final answer
    x = 10,716.35

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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.