Home / 10,278.69-15,416.89-2,883.44

Finding the Fourth Proportional to 10,278.69, 15,416.89 and 2,883.44

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Solution

The fourth proportional to 10,278.69, 15,416.89 and 2,883.44 is: 4,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.69 : 15,416.89 = 2,883.44 : x
  2. Step 2: Convert to fraction form
    10,278.69/15,416.89 = 2,883.44/x
  3. Step 3: Cross multiply
    10,278.69x = 15,416.89 × 2,883.44
  4. Step 4: Simplify right side
    10,278.69x = 44,453,593.01
  5. Step 5: Solve for x
    x = 44,453,593.01/10,278.69
  6. Step 6: Final answer
    x = 4,324.83

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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.