Home / 19,140.68-26,422.50-11,179.88

Finding the Fourth Proportional to 19,140.68, 26,422.50 and 11,179.88

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Solution

The fourth proportional to 19,140.68, 26,422.50 and 11,179.88 is: 15,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.68 : 26,422.50 = 11,179.88 : x
  2. Step 2: Convert to fraction form
    19,140.68/26,422.50 = 11,179.88/x
  3. Step 3: Cross multiply
    19,140.68x = 26,422.50 × 11,179.88
  4. Step 4: Simplify right side
    19,140.68x = 295,400,379.30
  5. Step 5: Solve for x
    x = 295,400,379.30/19,140.68
  6. Step 6: Final answer
    x = 15,433.12

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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.