Home / 12,451.66-18,677.49-8,544.22

Finding the Fourth Proportional to 12,451.66, 18,677.49 and 8,544.22

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Solution

The fourth proportional to 12,451.66, 18,677.49 and 8,544.22 is: 12,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.66 : 18,677.49 = 8,544.22 : x
  2. Step 2: Convert to fraction form
    12,451.66/18,677.49 = 8,544.22/x
  3. Step 3: Cross multiply
    12,451.66x = 18,677.49 × 8,544.22
  4. Step 4: Simplify right side
    12,451.66x = 159,584,583.61
  5. Step 5: Solve for x
    x = 159,584,583.61/12,451.66
  6. Step 6: Final answer
    x = 12,816.33

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Double scale
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Similar ratio
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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.