Home / 11,180.16-15,428.66-6,144.49

Finding the Fourth Proportional to 11,180.16, 15,428.66 and 6,144.49

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Solution

The fourth proportional to 11,180.16, 15,428.66 and 6,144.49 is: 8,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.16 : 15,428.66 = 6,144.49 : x
  2. Step 2: Convert to fraction form
    11,180.16/15,428.66 = 6,144.49/x
  3. Step 3: Cross multiply
    11,180.16x = 15,428.66 × 6,144.49
  4. Step 4: Simplify right side
    11,180.16x = 94,801,247.08
  5. Step 5: Solve for x
    x = 94,801,247.08/11,180.16
  6. Step 6: Final answer
    x = 8,479.42

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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.