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Finding the Fourth Proportional to 22,679.10, 34,018.65 and 6,884.10

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Solution

The fourth proportional to 22,679.10, 34,018.65 and 6,884.10 is: 10,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.10 : 34,018.65 = 6,884.10 : x
  2. Step 2: Convert to fraction form
    22,679.10/34,018.65 = 6,884.10/x
  3. Step 3: Cross multiply
    22,679.10x = 34,018.65 × 6,884.10
  4. Step 4: Simplify right side
    22,679.10x = 234,187,788.47
  5. Step 5: Solve for x
    x = 234,187,788.47/22,679.10
  6. Step 6: Final answer
    x = 10,326.15

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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.