Home / 11,183.13-15,434.96-8,525.79

Finding the Fourth Proportional to 11,183.13, 15,434.96 and 8,525.79

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Solution

The fourth proportional to 11,183.13, 15,434.96 and 8,525.79 is: 11,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.13 : 15,434.96 = 8,525.79 : x
  2. Step 2: Convert to fraction form
    11,183.13/15,434.96 = 8,525.79/x
  3. Step 3: Cross multiply
    11,183.13x = 15,434.96 × 8,525.79
  4. Step 4: Simplify right side
    11,183.13x = 131,595,184.99
  5. Step 5: Solve for x
    x = 131,595,184.99/11,183.13
  6. Step 6: Final answer
    x = 11,767.29

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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.