Home / 18,883.40-28,325.18-5,735.88

Finding the Fourth Proportional to 18,883.40, 28,325.18 and 5,735.88

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Solution

The fourth proportional to 18,883.40, 28,325.18 and 5,735.88 is: 8,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.40 : 28,325.18 = 5,735.88 : x
  2. Step 2: Convert to fraction form
    18,883.40/28,325.18 = 5,735.88/x
  3. Step 3: Cross multiply
    18,883.40x = 28,325.18 × 5,735.88
  4. Step 4: Simplify right side
    18,883.40x = 162,469,833.46
  5. Step 5: Solve for x
    x = 162,469,833.46/18,883.40
  6. Step 6: Final answer
    x = 8,603.84

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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.