Home / 11,744.66-16,207.62-6,439.36

Finding the Fourth Proportional to 11,744.66, 16,207.62 and 6,439.36

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Solution

The fourth proportional to 11,744.66, 16,207.62 and 6,439.36 is: 8,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.66 : 16,207.62 = 6,439.36 : x
  2. Step 2: Convert to fraction form
    11,744.66/16,207.62 = 6,439.36/x
  3. Step 3: Cross multiply
    11,744.66x = 16,207.62 × 6,439.36
  4. Step 4: Simplify right side
    11,744.66x = 104,366,659.40
  5. Step 5: Solve for x
    x = 104,366,659.40/11,744.66
  6. Step 6: Final answer
    x = 8,886.31

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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.