Home / 11,781.45-16,257.06-6,747.03

Finding the Fourth Proportional to 11,781.45, 16,257.06 and 6,747.03

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Solution

The fourth proportional to 11,781.45, 16,257.06 and 6,747.03 is: 9,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.45 : 16,257.06 = 6,747.03 : x
  2. Step 2: Convert to fraction form
    11,781.45/16,257.06 = 6,747.03/x
  3. Step 3: Cross multiply
    11,781.45x = 16,257.06 × 6,747.03
  4. Step 4: Simplify right side
    11,781.45x = 109,686,871.53
  5. Step 5: Solve for x
    x = 109,686,871.53/11,781.45
  6. Step 6: Final answer
    x = 9,310.13

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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.