Home / 11,483.26-15,847.20-6,447.88

Finding the Fourth Proportional to 11,483.26, 15,847.20 and 6,447.88

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Solution

The fourth proportional to 11,483.26, 15,847.20 and 6,447.88 is: 8,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.26 : 15,847.20 = 6,447.88 : x
  2. Step 2: Convert to fraction form
    11,483.26/15,847.20 = 6,447.88/x
  3. Step 3: Cross multiply
    11,483.26x = 15,847.20 × 6,447.88
  4. Step 4: Simplify right side
    11,483.26x = 102,180,843.94
  5. Step 5: Solve for x
    x = 102,180,843.94/11,483.26
  6. Step 6: Final answer
    x = 8,898.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.