Home / 10,654.95-15,982.40-2,863.76

Finding the Fourth Proportional to 10,654.95, 15,982.40 and 2,863.76

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Solution

The fourth proportional to 10,654.95, 15,982.40 and 2,863.76 is: 4,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.95 : 15,982.40 = 2,863.76 : x
  2. Step 2: Convert to fraction form
    10,654.95/15,982.40 = 2,863.76/x
  3. Step 3: Cross multiply
    10,654.95x = 15,982.40 × 2,863.76
  4. Step 4: Simplify right side
    10,654.95x = 45,769,804.94
  5. Step 5: Solve for x
    x = 45,769,804.94/10,654.95
  6. Step 6: Final answer
    x = 4,295.64

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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.