Home / 12,577.26-18,863.73-3,810.90

Finding the Fourth Proportional to 12,577.26, 18,863.73 and 3,810.90

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Solution

The fourth proportional to 12,577.26, 18,863.73 and 3,810.90 is: 5,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.26 : 18,863.73 = 3,810.90 : x
  2. Step 2: Convert to fraction form
    12,577.26/18,863.73 = 3,810.90/x
  3. Step 3: Cross multiply
    12,577.26x = 18,863.73 × 3,810.90
  4. Step 4: Simplify right side
    12,577.26x = 71,887,788.66
  5. Step 5: Solve for x
    x = 71,887,788.66/12,577.26
  6. Step 6: Final answer
    x = 5,715.70

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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.