Home / 13,754.24-20,631.18-4,394.13

Finding the Fourth Proportional to 13,754.24, 20,631.18 and 4,394.13

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Solution

The fourth proportional to 13,754.24, 20,631.18 and 4,394.13 is: 6,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.24 : 20,631.18 = 4,394.13 : x
  2. Step 2: Convert to fraction form
    13,754.24/20,631.18 = 4,394.13/x
  3. Step 3: Cross multiply
    13,754.24x = 20,631.18 × 4,394.13
  4. Step 4: Simplify right side
    13,754.24x = 90,656,086.97
  5. Step 5: Solve for x
    x = 90,656,086.97/13,754.24
  6. Step 6: Final answer
    x = 6,591.14

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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.