Home / 11,642.62-16,066.80-6,337.42

Finding the Fourth Proportional to 11,642.62, 16,066.80 and 6,337.42

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Solution

The fourth proportional to 11,642.62, 16,066.80 and 6,337.42 is: 8,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.62 : 16,066.80 = 6,337.42 : x
  2. Step 2: Convert to fraction form
    11,642.62/16,066.80 = 6,337.42/x
  3. Step 3: Cross multiply
    11,642.62x = 16,066.80 × 6,337.42
  4. Step 4: Simplify right side
    11,642.62x = 101,822,059.66
  5. Step 5: Solve for x
    x = 101,822,059.66/11,642.62
  6. Step 6: Final answer
    x = 8,745.63

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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.