Home / 13,836.17-20,754.18-6,436.55

Finding the Fourth Proportional to 13,836.17, 20,754.18 and 6,436.55

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Solution

The fourth proportional to 13,836.17, 20,754.18 and 6,436.55 is: 9,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.17 : 20,754.18 = 6,436.55 : x
  2. Step 2: Convert to fraction form
    13,836.17/20,754.18 = 6,436.55/x
  3. Step 3: Cross multiply
    13,836.17x = 20,754.18 × 6,436.55
  4. Step 4: Simplify right side
    13,836.17x = 133,585,317.28
  5. Step 5: Solve for x
    x = 133,585,317.28/13,836.17
  6. Step 6: Final answer
    x = 9,654.79

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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.