Home / 10,249.13-14,139.68-6,263.33

Finding the Fourth Proportional to 10,249.13, 14,139.68 and 6,263.33

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Solution

The fourth proportional to 10,249.13, 14,139.68 and 6,263.33 is: 8,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.13 : 14,139.68 = 6,263.33 : x
  2. Step 2: Convert to fraction form
    10,249.13/14,139.68 = 6,263.33/x
  3. Step 3: Cross multiply
    10,249.13x = 14,139.68 × 6,263.33
  4. Step 4: Simplify right side
    10,249.13x = 88,561,379.92
  5. Step 5: Solve for x
    x = 88,561,379.92/10,249.13
  6. Step 6: Final answer
    x = 8,640.87

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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.