Home / 11,217.11-15,479.79-6,181.26

Finding the Fourth Proportional to 11,217.11, 15,479.79 and 6,181.26

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Solution

The fourth proportional to 11,217.11, 15,479.79 and 6,181.26 is: 8,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.11 : 15,479.79 = 6,181.26 : x
  2. Step 2: Convert to fraction form
    11,217.11/15,479.79 = 6,181.26/x
  3. Step 3: Cross multiply
    11,217.11x = 15,479.79 × 6,181.26
  4. Step 4: Simplify right side
    11,217.11x = 95,684,606.74
  5. Step 5: Solve for x
    x = 95,684,606.74/11,217.11
  6. Step 6: Final answer
    x = 8,530.24

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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.