Home / 26,117.82-39,142.17-12,237.66

Finding the Fourth Proportional to 26,117.82, 39,142.17 and 12,237.66

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Solution

The fourth proportional to 26,117.82, 39,142.17 and 12,237.66 is: 18,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,117.82 : 39,142.17 = 12,237.66 : x
  2. Step 2: Convert to fraction form
    26,117.82/39,142.17 = 12,237.66/x
  3. Step 3: Cross multiply
    26,117.82x = 39,142.17 × 12,237.66
  4. Step 4: Simplify right side
    26,117.82x = 479,008,568.12
  5. Step 5: Solve for x
    x = 479,008,568.12/26,117.82
  6. Step 6: Final answer
    x = 18,340.30

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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.