Home / 12,691.11-19,037.94-4,370.03

Finding the Fourth Proportional to 12,691.11, 19,037.94 and 4,370.03

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Solution

The fourth proportional to 12,691.11, 19,037.94 and 4,370.03 is: 6,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691.11 : 19,037.94 = 4,370.03 : x
  2. Step 2: Convert to fraction form
    12,691.11/19,037.94 = 4,370.03/x
  3. Step 3: Cross multiply
    12,691.11x = 19,037.94 × 4,370.03
  4. Step 4: Simplify right side
    12,691.11x = 83,196,273.75
  5. Step 5: Solve for x
    x = 83,196,273.75/12,691.11
  6. Step 6: Final answer
    x = 6,555.48

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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.