Home / 11,589.55-17,351.21-10,853.89

Finding the Fourth Proportional to 11,589.55, 17,351.21 and 10,853.89

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Solution

The fourth proportional to 11,589.55, 17,351.21 and 10,853.89 is: 16,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.55 : 17,351.21 = 10,853.89 : x
  2. Step 2: Convert to fraction form
    11,589.55/17,351.21 = 10,853.89/x
  3. Step 3: Cross multiply
    11,589.55x = 17,351.21 × 10,853.89
  4. Step 4: Simplify right side
    11,589.55x = 188,328,108.46
  5. Step 5: Solve for x
    x = 188,328,108.46/11,589.55
  6. Step 6: Final answer
    x = 16,249.82

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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.