Home / 10,652.85-15,982.05-5,110.47

Finding the Fourth Proportional to 10,652.85, 15,982.05 and 5,110.47

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Solution

The fourth proportional to 10,652.85, 15,982.05 and 5,110.47 is: 7,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.85 : 15,982.05 = 5,110.47 : x
  2. Step 2: Convert to fraction form
    10,652.85/15,982.05 = 5,110.47/x
  3. Step 3: Cross multiply
    10,652.85x = 15,982.05 × 5,110.47
  4. Step 4: Simplify right side
    10,652.85x = 81,675,787.06
  5. Step 5: Solve for x
    x = 81,675,787.06/10,652.85
  6. Step 6: Final answer
    x = 7,667.04

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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.