Home / 21,197.28-29,251.26-11,636.97

Finding the Fourth Proportional to 21,197.28, 29,251.26 and 11,636.97

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Solution

The fourth proportional to 21,197.28, 29,251.26 and 11,636.97 is: 16,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.28 : 29,251.26 = 11,636.97 : x
  2. Step 2: Convert to fraction form
    21,197.28/29,251.26 = 11,636.97/x
  3. Step 3: Cross multiply
    21,197.28x = 29,251.26 × 11,636.97
  4. Step 4: Simplify right side
    21,197.28x = 340,396,035.08
  5. Step 5: Solve for x
    x = 340,396,035.08/21,197.28
  6. Step 6: Final answer
    x = 16,058.48

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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.