Home / 11,180.49-15,428.07-6,144.65

Finding the Fourth Proportional to 11,180.49, 15,428.07 and 6,144.65

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Solution

The fourth proportional to 11,180.49, 15,428.07 and 6,144.65 is: 8,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.49 : 15,428.07 = 6,144.65 : x
  2. Step 2: Convert to fraction form
    11,180.49/15,428.07 = 6,144.65/x
  3. Step 3: Cross multiply
    11,180.49x = 15,428.07 × 6,144.65
  4. Step 4: Simplify right side
    11,180.49x = 94,800,090.33
  5. Step 5: Solve for x
    x = 94,800,090.33/11,180.49
  6. Step 6: Final answer
    x = 8,479.06

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Double scale
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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.