Home / 10,288.71-15,433.02-3,363.21

Finding the Fourth Proportional to 10,288.71, 15,433.02 and 3,363.21

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Solution

The fourth proportional to 10,288.71, 15,433.02 and 3,363.21 is: 5,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.71 : 15,433.02 = 3,363.21 : x
  2. Step 2: Convert to fraction form
    10,288.71/15,433.02 = 3,363.21/x
  3. Step 3: Cross multiply
    10,288.71x = 15,433.02 × 3,363.21
  4. Step 4: Simplify right side
    10,288.71x = 51,904,487.19
  5. Step 5: Solve for x
    x = 51,904,487.19/10,288.71
  6. Step 6: Final answer
    x = 5,044.80

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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.