Home / 17,019.60-25,513.20-13,269.30

Finding the Fourth Proportional to 17,019.60, 25,513.20 and 13,269.30

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Solution

The fourth proportional to 17,019.60, 25,513.20 and 13,269.30 is: 19,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.60 : 25,513.20 = 13,269.30 : x
  2. Step 2: Convert to fraction form
    17,019.60/25,513.20 = 13,269.30/x
  3. Step 3: Cross multiply
    17,019.60x = 25,513.20 × 13,269.30
  4. Step 4: Simplify right side
    17,019.60x = 338,542,304.76
  5. Step 5: Solve for x
    x = 338,542,304.76/17,019.60
  6. Step 6: Final answer
    x = 19,891.32

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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.