Home / 11,911.20-17,862.48-4,511.84

Finding the Fourth Proportional to 11,911.20, 17,862.48 and 4,511.84

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Solution

The fourth proportional to 11,911.20, 17,862.48 and 4,511.84 is: 6,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.20 : 17,862.48 = 4,511.84 : x
  2. Step 2: Convert to fraction form
    11,911.20/17,862.48 = 4,511.84/x
  3. Step 3: Cross multiply
    11,911.20x = 17,862.48 × 4,511.84
  4. Step 4: Simplify right side
    11,911.20x = 80,592,651.76
  5. Step 5: Solve for x
    x = 80,592,651.76/11,911.20
  6. Step 6: Final answer
    x = 6,766.12

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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.