Home / 10,283.68-15,419.76-3,356.32

Finding the Fourth Proportional to 10,283.68, 15,419.76 and 3,356.32

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Solution

The fourth proportional to 10,283.68, 15,419.76 and 3,356.32 is: 5,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.68 : 15,419.76 = 3,356.32 : x
  2. Step 2: Convert to fraction form
    10,283.68/15,419.76 = 3,356.32/x
  3. Step 3: Cross multiply
    10,283.68x = 15,419.76 × 3,356.32
  4. Step 4: Simplify right side
    10,283.68x = 51,753,648.88
  5. Step 5: Solve for x
    x = 51,753,648.88/10,283.68
  6. Step 6: Final answer
    x = 5,032.60

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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.