Home / 11,288.47-15,578.10-6,183.97

Finding the Fourth Proportional to 11,288.47, 15,578.10 and 6,183.97

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Solution

The fourth proportional to 11,288.47, 15,578.10 and 6,183.97 is: 8,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.47 : 15,578.10 = 6,183.97 : x
  2. Step 2: Convert to fraction form
    11,288.47/15,578.10 = 6,183.97/x
  3. Step 3: Cross multiply
    11,288.47x = 15,578.10 × 6,183.97
  4. Step 4: Simplify right side
    11,288.47x = 96,334,503.06
  5. Step 5: Solve for x
    x = 96,334,503.06/11,288.47
  6. Step 6: Final answer
    x = 8,533.88

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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.