Home / 18,531.59-27,794.34-5,380.83

Finding the Fourth Proportional to 18,531.59, 27,794.34 and 5,380.83

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Solution

The fourth proportional to 18,531.59, 27,794.34 and 5,380.83 is: 8,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.59 : 27,794.34 = 5,380.83 : x
  2. Step 2: Convert to fraction form
    18,531.59/27,794.34 = 5,380.83/x
  3. Step 3: Cross multiply
    18,531.59x = 27,794.34 × 5,380.83
  4. Step 4: Simplify right side
    18,531.59x = 149,556,618.50
  5. Step 5: Solve for x
    x = 149,556,618.50/18,531.59
  6. Step 6: Final answer
    x = 8,070.36

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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.