Home / 10,216.61-15,324.60-2,821.52

Finding the Fourth Proportional to 10,216.61, 15,324.60 and 2,821.52

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Solution

The fourth proportional to 10,216.61, 15,324.60 and 2,821.52 is: 4,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.61 : 15,324.60 = 2,821.52 : x
  2. Step 2: Convert to fraction form
    10,216.61/15,324.60 = 2,821.52/x
  3. Step 3: Cross multiply
    10,216.61x = 15,324.60 × 2,821.52
  4. Step 4: Simplify right side
    10,216.61x = 43,238,665.39
  5. Step 5: Solve for x
    x = 43,238,665.39/10,216.61
  6. Step 6: Final answer
    x = 4,232.19

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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.