Home / 17,245.20-25,833.60-13,530

Finding the Fourth Proportional to 17,245.20, 25,833.60 and 13,530

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Solution

The fourth proportional to 17,245.20, 25,833.60 and 13,530 is: 20,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.20 : 25,833.60 = 13,530 : x
  2. Step 2: Convert to fraction form
    17,245.20/25,833.60 = 13,530/x
  3. Step 3: Cross multiply
    17,245.20x = 25,833.60 × 13,530
  4. Step 4: Simplify right side
    17,245.20x = 349,528,608
  5. Step 5: Solve for x
    x = 349,528,608/17,245.20
  6. Step 6: Final answer
    x = 20,268.17

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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.