Home / 10,217.17-15,325.73-2,821.61

Finding the Fourth Proportional to 10,217.17, 15,325.73 and 2,821.61

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Solution

The fourth proportional to 10,217.17, 15,325.73 and 2,821.61 is: 4,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.17 : 15,325.73 = 2,821.61 : x
  2. Step 2: Convert to fraction form
    10,217.17/15,325.73 = 2,821.61/x
  3. Step 3: Cross multiply
    10,217.17x = 15,325.73 × 2,821.61
  4. Step 4: Simplify right side
    10,217.17x = 43,243,149.34
  5. Step 5: Solve for x
    x = 43,243,149.34/10,217.17
  6. Step 6: Final answer
    x = 4,232.40

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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.