Home / 11,179.56-15,428.18-6,144.24

Finding the Fourth Proportional to 11,179.56, 15,428.18 and 6,144.24

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Solution

The fourth proportional to 11,179.56, 15,428.18 and 6,144.24 is: 8,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.56 : 15,428.18 = 6,144.24 : x
  2. Step 2: Convert to fraction form
    11,179.56/15,428.18 = 6,144.24/x
  3. Step 3: Cross multiply
    11,179.56x = 15,428.18 × 6,144.24
  4. Step 4: Simplify right side
    11,179.56x = 94,794,440.68
  5. Step 5: Solve for x
    x = 94,794,440.68/11,179.56
  6. Step 6: Final answer
    x = 8,479.26

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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.