Home / 18,833.05-28,254.66-5,685.85

Finding the Fourth Proportional to 18,833.05, 28,254.66 and 5,685.85

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Solution

The fourth proportional to 18,833.05, 28,254.66 and 5,685.85 is: 8,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.05 : 28,254.66 = 5,685.85 : x
  2. Step 2: Convert to fraction form
    18,833.05/28,254.66 = 5,685.85/x
  3. Step 3: Cross multiply
    18,833.05x = 28,254.66 × 5,685.85
  4. Step 4: Simplify right side
    18,833.05x = 160,651,758.56
  5. Step 5: Solve for x
    x = 160,651,758.56/18,833.05
  6. Step 6: Final answer
    x = 8,530.31

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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.