Home / 11,108.12-16,653.88-6,724.52

Finding the Fourth Proportional to 11,108.12, 16,653.88 and 6,724.52

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Solution

The fourth proportional to 11,108.12, 16,653.88 and 6,724.52 is: 10,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.12 : 16,653.88 = 6,724.52 : x
  2. Step 2: Convert to fraction form
    11,108.12/16,653.88 = 6,724.52/x
  3. Step 3: Cross multiply
    11,108.12x = 16,653.88 × 6,724.52
  4. Step 4: Simplify right side
    11,108.12x = 111,989,349.14
  5. Step 5: Solve for x
    x = 111,989,349.14/11,108.12
  6. Step 6: Final answer
    x = 10,081.76

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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.