Home / 11,484.43-15,847.33-6,449.20

Finding the Fourth Proportional to 11,484.43, 15,847.33 and 6,449.20

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Solution

The fourth proportional to 11,484.43, 15,847.33 and 6,449.20 is: 8,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.43 : 15,847.33 = 6,449.20 : x
  2. Step 2: Convert to fraction form
    11,484.43/15,847.33 = 6,449.20/x
  3. Step 3: Cross multiply
    11,484.43x = 15,847.33 × 6,449.20
  4. Step 4: Simplify right side
    11,484.43x = 102,202,600.64
  5. Step 5: Solve for x
    x = 102,202,600.64/11,484.43
  6. Step 6: Final answer
    x = 8,899.23

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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.