Home / 11,125.39-16,682.70-4,108.71

Finding the Fourth Proportional to 11,125.39, 16,682.70 and 4,108.71

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Solution

The fourth proportional to 11,125.39, 16,682.70 and 4,108.71 is: 6,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.39 : 16,682.70 = 4,108.71 : x
  2. Step 2: Convert to fraction form
    11,125.39/16,682.70 = 4,108.71/x
  3. Step 3: Cross multiply
    11,125.39x = 16,682.70 × 4,108.71
  4. Step 4: Simplify right side
    11,125.39x = 68,544,376.32
  5. Step 5: Solve for x
    x = 68,544,376.32/11,125.39
  6. Step 6: Final answer
    x = 6,161.08

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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.