Home / 17,393.48-26,078.88-11,452.40

Finding the Fourth Proportional to 17,393.48, 26,078.88 and 11,452.40

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Solution

The fourth proportional to 17,393.48, 26,078.88 and 11,452.40 is: 17,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.48 : 26,078.88 = 11,452.40 : x
  2. Step 2: Convert to fraction form
    17,393.48/26,078.88 = 11,452.40/x
  3. Step 3: Cross multiply
    17,393.48x = 26,078.88 × 11,452.40
  4. Step 4: Simplify right side
    17,393.48x = 298,665,634.92
  5. Step 5: Solve for x
    x = 298,665,634.92/17,393.48
  6. Step 6: Final answer
    x = 17,171.13

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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.