Home / 11,180.08-15,428.48-6,144.61

Finding the Fourth Proportional to 11,180.08, 15,428.48 and 6,144.61

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Solution

The fourth proportional to 11,180.08, 15,428.48 and 6,144.61 is: 8,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.08 : 15,428.48 = 6,144.61 : x
  2. Step 2: Convert to fraction form
    11,180.08/15,428.48 = 6,144.61/x
  3. Step 3: Cross multiply
    11,180.08x = 15,428.48 × 6,144.61
  4. Step 4: Simplify right side
    11,180.08x = 94,801,952.13
  5. Step 5: Solve for x
    x = 94,801,952.13/11,180.08
  6. Step 6: Final answer
    x = 8,479.54

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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.