Home / 11,180.03-15,428.78-6,144.76

Finding the Fourth Proportional to 11,180.03, 15,428.78 and 6,144.76

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Solution

The fourth proportional to 11,180.03, 15,428.78 and 6,144.76 is: 8,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.03 : 15,428.78 = 6,144.76 : x
  2. Step 2: Convert to fraction form
    11,180.03/15,428.78 = 6,144.76/x
  3. Step 3: Cross multiply
    11,180.03x = 15,428.78 × 6,144.76
  4. Step 4: Simplify right side
    11,180.03x = 94,806,161.80
  5. Step 5: Solve for x
    x = 94,806,161.80/11,180.03
  6. Step 6: Final answer
    x = 8,479.96

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Half scale
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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.