Home / 12,451.29-18,677.48-4,132.05

Finding the Fourth Proportional to 12,451.29, 18,677.48 and 4,132.05

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Solution

The fourth proportional to 12,451.29, 18,677.48 and 4,132.05 is: 6,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.29 : 18,677.48 = 4,132.05 : x
  2. Step 2: Convert to fraction form
    12,451.29/18,677.48 = 4,132.05/x
  3. Step 3: Cross multiply
    12,451.29x = 18,677.48 × 4,132.05
  4. Step 4: Simplify right side
    12,451.29x = 77,176,260.57
  5. Step 5: Solve for x
    x = 77,176,260.57/12,451.29
  6. Step 6: Final answer
    x = 6,198.25

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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.