Home / 10,427.28-15,638.76-3,848.97

Finding the Fourth Proportional to 10,427.28, 15,638.76 and 3,848.97

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Solution

The fourth proportional to 10,427.28, 15,638.76 and 3,848.97 is: 5,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.28 : 15,638.76 = 3,848.97 : x
  2. Step 2: Convert to fraction form
    10,427.28/15,638.76 = 3,848.97/x
  3. Step 3: Cross multiply
    10,427.28x = 15,638.76 × 3,848.97
  4. Step 4: Simplify right side
    10,427.28x = 60,193,118.08
  5. Step 5: Solve for x
    x = 60,193,118.08/10,427.28
  6. Step 6: Final answer
    x = 5,772.66

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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.