Home / 10,642.73-15,966.68-3,247.32

Finding the Fourth Proportional to 10,642.73, 15,966.68 and 3,247.32

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Solution

The fourth proportional to 10,642.73, 15,966.68 and 3,247.32 is: 4,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.73 : 15,966.68 = 3,247.32 : x
  2. Step 2: Convert to fraction form
    10,642.73/15,966.68 = 3,247.32/x
  3. Step 3: Cross multiply
    10,642.73x = 15,966.68 × 3,247.32
  4. Step 4: Simplify right side
    10,642.73x = 51,848,919.30
  5. Step 5: Solve for x
    x = 51,848,919.30/10,642.73
  6. Step 6: Final answer
    x = 4,871.77

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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.