Home / 19,650.83-27,113.93-11,691.50

Finding the Fourth Proportional to 19,650.83, 27,113.93 and 11,691.50

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Solution

The fourth proportional to 19,650.83, 27,113.93 and 11,691.50 is: 16,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.83 : 27,113.93 = 11,691.50 : x
  2. Step 2: Convert to fraction form
    19,650.83/27,113.93 = 11,691.50/x
  3. Step 3: Cross multiply
    19,650.83x = 27,113.93 × 11,691.50
  4. Step 4: Simplify right side
    19,650.83x = 317,002,318.57
  5. Step 5: Solve for x
    x = 317,002,318.57/19,650.83
  6. Step 6: Final answer
    x = 16,131.76

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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.