Home / 10,652.66-15,982.12-3,156.40

Finding the Fourth Proportional to 10,652.66, 15,982.12 and 3,156.40

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Solution

The fourth proportional to 10,652.66, 15,982.12 and 3,156.40 is: 4,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.66 : 15,982.12 = 3,156.40 : x
  2. Step 2: Convert to fraction form
    10,652.66/15,982.12 = 3,156.40/x
  3. Step 3: Cross multiply
    10,652.66x = 15,982.12 × 3,156.40
  4. Step 4: Simplify right side
    10,652.66x = 50,445,963.57
  5. Step 5: Solve for x
    x = 50,445,963.57/10,652.66
  6. Step 6: Final answer
    x = 4,735.53

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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.