Home / 21,863.50-32,800.79-6,281.13

Finding the Fourth Proportional to 21,863.50, 32,800.79 and 6,281.13

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Solution

The fourth proportional to 21,863.50, 32,800.79 and 6,281.13 is: 9,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863.50 : 32,800.79 = 6,281.13 : x
  2. Step 2: Convert to fraction form
    21,863.50/32,800.79 = 6,281.13/x
  3. Step 3: Cross multiply
    21,863.50x = 32,800.79 × 6,281.13
  4. Step 4: Simplify right side
    21,863.50x = 206,026,026.09
  5. Step 5: Solve for x
    x = 206,026,026.09/21,863.50
  6. Step 6: Final answer
    x = 9,423.29

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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.