Home / 10,790.37-14,855.67-8,540.19

Finding the Fourth Proportional to 10,790.37, 14,855.67 and 8,540.19

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Solution

The fourth proportional to 10,790.37, 14,855.67 and 8,540.19 is: 11,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.37 : 14,855.67 = 8,540.19 : x
  2. Step 2: Convert to fraction form
    10,790.37/14,855.67 = 8,540.19/x
  3. Step 3: Cross multiply
    10,790.37x = 14,855.67 × 8,540.19
  4. Step 4: Simplify right side
    10,790.37x = 126,870,244.38
  5. Step 5: Solve for x
    x = 126,870,244.38/10,790.37
  6. Step 6: Final answer
    x = 11,757.73

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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.