Home / 11,744.69-16,207.65-6,439.64

Finding the Fourth Proportional to 11,744.69, 16,207.65 and 6,439.64

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Solution

The fourth proportional to 11,744.69, 16,207.65 and 6,439.64 is: 8,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.69 : 16,207.65 = 6,439.64 : x
  2. Step 2: Convert to fraction form
    11,744.69/16,207.65 = 6,439.64/x
  3. Step 3: Cross multiply
    11,744.69x = 16,207.65 × 6,439.64
  4. Step 4: Simplify right side
    11,744.69x = 104,371,350.21
  5. Step 5: Solve for x
    x = 104,371,350.21/11,744.69
  6. Step 6: Final answer
    x = 8,886.69

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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.