Home / 10,206.09-15,313.11-8,249.94

Finding the Fourth Proportional to 10,206.09, 15,313.11 and 8,249.94

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Solution

The fourth proportional to 10,206.09, 15,313.11 and 8,249.94 is: 12,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.09 : 15,313.11 = 8,249.94 : x
  2. Step 2: Convert to fraction form
    10,206.09/15,313.11 = 8,249.94/x
  3. Step 3: Cross multiply
    10,206.09x = 15,313.11 × 8,249.94
  4. Step 4: Simplify right side
    10,206.09x = 126,332,238.71
  5. Step 5: Solve for x
    x = 126,332,238.71/10,206.09
  6. Step 6: Final answer
    x = 12,378.12

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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.