Home / 11,744.06-16,206.68-6,438.96

Finding the Fourth Proportional to 11,744.06, 16,206.68 and 6,438.96

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Solution

The fourth proportional to 11,744.06, 16,206.68 and 6,438.96 is: 8,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.06 : 16,206.68 = 6,438.96 : x
  2. Step 2: Convert to fraction form
    11,744.06/16,206.68 = 6,438.96/x
  3. Step 3: Cross multiply
    11,744.06x = 16,206.68 × 6,438.96
  4. Step 4: Simplify right side
    11,744.06x = 104,354,164.25
  5. Step 5: Solve for x
    x = 104,354,164.25/11,744.06
  6. Step 6: Final answer
    x = 8,885.70

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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.