Home / 21,244.83-31,867.33-6,453.87

Finding the Fourth Proportional to 21,244.83, 31,867.33 and 6,453.87

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Solution

The fourth proportional to 21,244.83, 31,867.33 and 6,453.87 is: 9,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.83 : 31,867.33 = 6,453.87 : x
  2. Step 2: Convert to fraction form
    21,244.83/31,867.33 = 6,453.87/x
  3. Step 3: Cross multiply
    21,244.83x = 31,867.33 × 6,453.87
  4. Step 4: Simplify right side
    21,244.83x = 205,667,605.07
  5. Step 5: Solve for x
    x = 205,667,605.07/21,244.83
  6. Step 6: Final answer
    x = 9,680.83

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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.