Home / 18,937.44-28,410.22-5,789.38

Finding the Fourth Proportional to 18,937.44, 28,410.22 and 5,789.38

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Solution

The fourth proportional to 18,937.44, 28,410.22 and 5,789.38 is: 8,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.44 : 28,410.22 = 5,789.38 : x
  2. Step 2: Convert to fraction form
    18,937.44/28,410.22 = 5,789.38/x
  3. Step 3: Cross multiply
    18,937.44x = 28,410.22 × 5,789.38
  4. Step 4: Simplify right side
    18,937.44x = 164,477,559.46
  5. Step 5: Solve for x
    x = 164,477,559.46/18,937.44
  6. Step 6: Final answer
    x = 8,685.31

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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.