Home / 17,221.57-23,759.65-11,256.69

Finding the Fourth Proportional to 17,221.57, 23,759.65 and 11,256.69

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Solution

The fourth proportional to 17,221.57, 23,759.65 and 11,256.69 is: 15,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.57 : 23,759.65 = 11,256.69 : x
  2. Step 2: Convert to fraction form
    17,221.57/23,759.65 = 11,256.69/x
  3. Step 3: Cross multiply
    17,221.57x = 23,759.65 × 11,256.69
  4. Step 4: Simplify right side
    17,221.57x = 267,455,014.56
  5. Step 5: Solve for x
    x = 267,455,014.56/17,221.57
  6. Step 6: Final answer
    x = 15,530.23

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.