Home / 18,319.84-27,474.14-5,168.68

Finding the Fourth Proportional to 18,319.84, 27,474.14 and 5,168.68

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Solution

The fourth proportional to 18,319.84, 27,474.14 and 5,168.68 is: 7,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.84 : 27,474.14 = 5,168.68 : x
  2. Step 2: Convert to fraction form
    18,319.84/27,474.14 = 5,168.68/x
  3. Step 3: Cross multiply
    18,319.84x = 27,474.14 × 5,168.68
  4. Step 4: Simplify right side
    18,319.84x = 142,005,037.94
  5. Step 5: Solve for x
    x = 142,005,037.94/18,319.84
  6. Step 6: Final answer
    x = 7,751.43

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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.