Home / 11,800.22-17,703.36-3,479.90

Finding the Fourth Proportional to 11,800.22, 17,703.36 and 3,479.90

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Solution

The fourth proportional to 11,800.22, 17,703.36 and 3,479.90 is: 5,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.22 : 17,703.36 = 3,479.90 : x
  2. Step 2: Convert to fraction form
    11,800.22/17,703.36 = 3,479.90/x
  3. Step 3: Cross multiply
    11,800.22x = 17,703.36 × 3,479.90
  4. Step 4: Simplify right side
    11,800.22x = 61,605,833.95
  5. Step 5: Solve for x
    x = 61,605,833.95/11,800.22
  6. Step 6: Final answer
    x = 5,220.74

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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.