Home / 11,161.08-16,730.82-5,316.12

Finding the Fourth Proportional to 11,161.08, 16,730.82 and 5,316.12

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Solution

The fourth proportional to 11,161.08, 16,730.82 and 5,316.12 is: 7,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.08 : 16,730.82 = 5,316.12 : x
  2. Step 2: Convert to fraction form
    11,161.08/16,730.82 = 5,316.12/x
  3. Step 3: Cross multiply
    11,161.08x = 16,730.82 × 5,316.12
  4. Step 4: Simplify right side
    11,161.08x = 88,943,046.82
  5. Step 5: Solve for x
    x = 88,943,046.82/11,161.08
  6. Step 6: Final answer
    x = 7,969.04

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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.