Home / 17,118.40-25,668.96-10,867.52

Finding the Fourth Proportional to 17,118.40, 25,668.96 and 10,867.52

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Solution

The fourth proportional to 17,118.40, 25,668.96 and 10,867.52 is: 16,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.40 : 25,668.96 = 10,867.52 : x
  2. Step 2: Convert to fraction form
    17,118.40/25,668.96 = 10,867.52/x
  3. Step 3: Cross multiply
    17,118.40x = 25,668.96 × 10,867.52
  4. Step 4: Simplify right side
    17,118.40x = 278,957,936.18
  5. Step 5: Solve for x
    x = 278,957,936.18/17,118.40
  6. Step 6: Final answer
    x = 16,295.79

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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.