Home / 10,228.78-14,115.87-6,249.05

Finding the Fourth Proportional to 10,228.78, 14,115.87 and 6,249.05

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Solution

The fourth proportional to 10,228.78, 14,115.87 and 6,249.05 is: 8,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.78 : 14,115.87 = 6,249.05 : x
  2. Step 2: Convert to fraction form
    10,228.78/14,115.87 = 6,249.05/x
  3. Step 3: Cross multiply
    10,228.78x = 14,115.87 × 6,249.05
  4. Step 4: Simplify right side
    10,228.78x = 88,210,759.78
  5. Step 5: Solve for x
    x = 88,210,759.78/10,228.78
  6. Step 6: Final answer
    x = 8,623.78

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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.