Home / 12,218.38-16,862.18-6,841.33

Finding the Fourth Proportional to 12,218.38, 16,862.18 and 6,841.33

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Solution

The fourth proportional to 12,218.38, 16,862.18 and 6,841.33 is: 9,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.38 : 16,862.18 = 6,841.33 : x
  2. Step 2: Convert to fraction form
    12,218.38/16,862.18 = 6,841.33/x
  3. Step 3: Cross multiply
    12,218.38x = 16,862.18 × 6,841.33
  4. Step 4: Simplify right side
    12,218.38x = 115,359,661.54
  5. Step 5: Solve for x
    x = 115,359,661.54/12,218.38
  6. Step 6: Final answer
    x = 9,441.49

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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.