Home / 11,215.26-15,477.19-6,179.47

Finding the Fourth Proportional to 11,215.26, 15,477.19 and 6,179.47

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Solution

The fourth proportional to 11,215.26, 15,477.19 and 6,179.47 is: 8,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.26 : 15,477.19 = 6,179.47 : x
  2. Step 2: Convert to fraction form
    11,215.26/15,477.19 = 6,179.47/x
  3. Step 3: Cross multiply
    11,215.26x = 15,477.19 × 6,179.47
  4. Step 4: Simplify right side
    11,215.26x = 95,640,777.15
  5. Step 5: Solve for x
    x = 95,640,777.15/11,215.26
  6. Step 6: Final answer
    x = 8,527.74

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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.