Home / 18,882.39-28,323.69-5,734.89

Finding the Fourth Proportional to 18,882.39, 28,323.69 and 5,734.89

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Solution

The fourth proportional to 18,882.39, 28,323.69 and 5,734.89 is: 8,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.39 : 28,323.69 = 5,734.89 : x
  2. Step 2: Convert to fraction form
    18,882.39/28,323.69 = 5,734.89/x
  3. Step 3: Cross multiply
    18,882.39x = 28,323.69 × 5,734.89
  4. Step 4: Simplify right side
    18,882.39x = 162,433,246.54
  5. Step 5: Solve for x
    x = 162,433,246.54/18,882.39
  6. Step 6: Final answer
    x = 8,602.37

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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.