Home / 18,190.40-27,286.75-5,710.90

Finding the Fourth Proportional to 18,190.40, 27,286.75 and 5,710.90

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Solution

The fourth proportional to 18,190.40, 27,286.75 and 5,710.90 is: 8,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.40 : 27,286.75 = 5,710.90 : x
  2. Step 2: Convert to fraction form
    18,190.40/27,286.75 = 5,710.90/x
  3. Step 3: Cross multiply
    18,190.40x = 27,286.75 × 5,710.90
  4. Step 4: Simplify right side
    18,190.40x = 155,831,900.58
  5. Step 5: Solve for x
    x = 155,831,900.58/18,190.40
  6. Step 6: Final answer
    x = 8,566.71

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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.