Home / 21,269.04-31,901.64-6,481.44

Finding the Fourth Proportional to 21,269.04, 31,901.64 and 6,481.44

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Solution

The fourth proportional to 21,269.04, 31,901.64 and 6,481.44 is: 9,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.04 : 31,901.64 = 6,481.44 : x
  2. Step 2: Convert to fraction form
    21,269.04/31,901.64 = 6,481.44/x
  3. Step 3: Cross multiply
    21,269.04x = 31,901.64 × 6,481.44
  4. Step 4: Simplify right side
    21,269.04x = 206,768,565.56
  5. Step 5: Solve for x
    x = 206,768,565.56/21,269.04
  6. Step 6: Final answer
    x = 9,721.57

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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.