Home / 10,871.28-16,309.24-3,374.68

Finding the Fourth Proportional to 10,871.28, 16,309.24 and 3,374.68

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Solution

The fourth proportional to 10,871.28, 16,309.24 and 3,374.68 is: 5,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.28 : 16,309.24 = 3,374.68 : x
  2. Step 2: Convert to fraction form
    10,871.28/16,309.24 = 3,374.68/x
  3. Step 3: Cross multiply
    10,871.28x = 16,309.24 × 3,374.68
  4. Step 4: Simplify right side
    10,871.28x = 55,038,466.04
  5. Step 5: Solve for x
    x = 55,038,466.04/10,871.28
  6. Step 6: Final answer
    x = 5,062.74

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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.