Home / 21,062.11-29,065.85-11,630.68

Finding the Fourth Proportional to 21,062.11, 29,065.85 and 11,630.68

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Solution

The fourth proportional to 21,062.11, 29,065.85 and 11,630.68 is: 16,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.11 : 29,065.85 = 11,630.68 : x
  2. Step 2: Convert to fraction form
    21,062.11/29,065.85 = 11,630.68/x
  3. Step 3: Cross multiply
    21,062.11x = 29,065.85 × 11,630.68
  4. Step 4: Simplify right side
    21,062.11x = 338,055,600.28
  5. Step 5: Solve for x
    x = 338,055,600.28/21,062.11
  6. Step 6: Final answer
    x = 16,050.41

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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.