Home / 11,855.13-17,785.35-6,313.77

Finding the Fourth Proportional to 11,855.13, 17,785.35 and 6,313.77

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Solution

The fourth proportional to 11,855.13, 17,785.35 and 6,313.77 is: 9,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.13 : 17,785.35 = 6,313.77 : x
  2. Step 2: Convert to fraction form
    11,855.13/17,785.35 = 6,313.77/x
  3. Step 3: Cross multiply
    11,855.13x = 17,785.35 × 6,313.77
  4. Step 4: Simplify right side
    11,855.13x = 112,292,609.27
  5. Step 5: Solve for x
    x = 112,292,609.27/11,855.13
  6. Step 6: Final answer
    x = 9,472.07

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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.