Home / 18,906.44-28,357.63-5,758.92

Finding the Fourth Proportional to 18,906.44, 28,357.63 and 5,758.92

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Solution

The fourth proportional to 18,906.44, 28,357.63 and 5,758.92 is: 8,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.44 : 28,357.63 = 5,758.92 : x
  2. Step 2: Convert to fraction form
    18,906.44/28,357.63 = 5,758.92/x
  3. Step 3: Cross multiply
    18,906.44x = 28,357.63 × 5,758.92
  4. Step 4: Simplify right side
    18,906.44x = 163,309,308.16
  5. Step 5: Solve for x
    x = 163,309,308.16/18,906.44
  6. Step 6: Final answer
    x = 8,637.76

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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.