Home / 11,670.38-16,105.52-6,634.81

Finding the Fourth Proportional to 11,670.38, 16,105.52 and 6,634.81

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Solution

The fourth proportional to 11,670.38, 16,105.52 and 6,634.81 is: 9,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.38 : 16,105.52 = 6,634.81 : x
  2. Step 2: Convert to fraction form
    11,670.38/16,105.52 = 6,634.81/x
  3. Step 3: Cross multiply
    11,670.38x = 16,105.52 × 6,634.81
  4. Step 4: Simplify right side
    11,670.38x = 106,857,065.15
  5. Step 5: Solve for x
    x = 106,857,065.15/11,670.38
  6. Step 6: Final answer
    x = 9,156.26

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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.