Home / 13,691.00-20,537.65-4,330.81

Finding the Fourth Proportional to 13,691.00, 20,537.65 and 4,330.81

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Solution

The fourth proportional to 13,691.00, 20,537.65 and 4,330.81 is: 6,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691.00 : 20,537.65 = 4,330.81 : x
  2. Step 2: Convert to fraction form
    13,691.00/20,537.65 = 4,330.81/x
  3. Step 3: Cross multiply
    13,691.00x = 20,537.65 × 4,330.81
  4. Step 4: Simplify right side
    13,691.00x = 88,944,691.08
  5. Step 5: Solve for x
    x = 88,944,691.08/13,691.00
  6. Step 6: Final answer
    x = 6,496.58

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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.