Home / 11,744.46-16,207.21-6,439.28

Finding the Fourth Proportional to 11,744.46, 16,207.21 and 6,439.28

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Solution

The fourth proportional to 11,744.46, 16,207.21 and 6,439.28 is: 8,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.46 : 16,207.21 = 6,439.28 : x
  2. Step 2: Convert to fraction form
    11,744.46/16,207.21 = 6,439.28/x
  3. Step 3: Cross multiply
    11,744.46x = 16,207.21 × 6,439.28
  4. Step 4: Simplify right side
    11,744.46x = 104,362,763.21
  5. Step 5: Solve for x
    x = 104,362,763.21/11,744.46
  6. Step 6: Final answer
    x = 8,886.13

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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.