Home / 11,744.35-16,207.61-6,439.12

Finding the Fourth Proportional to 11,744.35, 16,207.61 and 6,439.12

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Solution

The fourth proportional to 11,744.35, 16,207.61 and 6,439.12 is: 8,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.35 : 16,207.61 = 6,439.12 : x
  2. Step 2: Convert to fraction form
    11,744.35/16,207.61 = 6,439.12/x
  3. Step 3: Cross multiply
    11,744.35x = 16,207.61 × 6,439.12
  4. Step 4: Simplify right side
    11,744.35x = 104,362,672.99
  5. Step 5: Solve for x
    x = 104,362,672.99/11,744.35
  6. Step 6: Final answer
    x = 8,886.20

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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.