Home / 11,164.44-15,407.10-6,449.40

Finding the Fourth Proportional to 11,164.44, 15,407.10 and 6,449.40

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Solution

The fourth proportional to 11,164.44, 15,407.10 and 6,449.40 is: 8,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.44 : 15,407.10 = 6,449.40 : x
  2. Step 2: Convert to fraction form
    11,164.44/15,407.10 = 6,449.40/x
  3. Step 3: Cross multiply
    11,164.44x = 15,407.10 × 6,449.40
  4. Step 4: Simplify right side
    11,164.44x = 99,366,550.74
  5. Step 5: Solve for x
    x = 99,366,550.74/11,164.44
  6. Step 6: Final answer
    x = 8,900.27

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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.