Home / 13,833.66-20,753.56-3,972.18

Finding the Fourth Proportional to 13,833.66, 20,753.56 and 3,972.18

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Solution

The fourth proportional to 13,833.66, 20,753.56 and 3,972.18 is: 5,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.66 : 20,753.56 = 3,972.18 : x
  2. Step 2: Convert to fraction form
    13,833.66/20,753.56 = 3,972.18/x
  3. Step 3: Cross multiply
    13,833.66x = 20,753.56 × 3,972.18
  4. Step 4: Simplify right side
    13,833.66x = 82,436,875.96
  5. Step 5: Solve for x
    x = 82,436,875.96/13,833.66
  6. Step 6: Final answer
    x = 5,959.15

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1.5x scale

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.