Home / 10,338.78-15,508.68-2,944.32

Finding the Fourth Proportional to 10,338.78, 15,508.68 and 2,944.32

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Solution

The fourth proportional to 10,338.78, 15,508.68 and 2,944.32 is: 4,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.78 : 15,508.68 = 2,944.32 : x
  2. Step 2: Convert to fraction form
    10,338.78/15,508.68 = 2,944.32/x
  3. Step 3: Cross multiply
    10,338.78x = 15,508.68 × 2,944.32
  4. Step 4: Simplify right side
    10,338.78x = 45,662,516.70
  5. Step 5: Solve for x
    x = 45,662,516.70/10,338.78
  6. Step 6: Final answer
    x = 4,416.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.