Home / 11,860.28-17,793.51-3,540.30

Finding the Fourth Proportional to 11,860.28, 17,793.51 and 3,540.30

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Solution

The fourth proportional to 11,860.28, 17,793.51 and 3,540.30 is: 5,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.28 : 17,793.51 = 3,540.30 : x
  2. Step 2: Convert to fraction form
    11,860.28/17,793.51 = 3,540.30/x
  3. Step 3: Cross multiply
    11,860.28x = 17,793.51 × 3,540.30
  4. Step 4: Simplify right side
    11,860.28x = 62,994,345.75
  5. Step 5: Solve for x
    x = 62,994,345.75/11,860.28
  6. Step 6: Final answer
    x = 5,311.37

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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.