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Finding the Fourth Proportional to 22,679.91, 34,019.91 and 6,885.07

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Solution

The fourth proportional to 22,679.91, 34,019.91 and 6,885.07 is: 10,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.91 : 34,019.91 = 6,885.07 : x
  2. Step 2: Convert to fraction form
    22,679.91/34,019.91 = 6,885.07/x
  3. Step 3: Cross multiply
    22,679.91x = 34,019.91 × 6,885.07
  4. Step 4: Simplify right side
    22,679.91x = 234,229,376.69
  5. Step 5: Solve for x
    x = 234,229,376.69/22,679.91
  6. Step 6: Final answer
    x = 10,327.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.