Home / 11,138.82-16,699.24-5,589.24

Finding the Fourth Proportional to 11,138.82, 16,699.24 and 5,589.24

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Solution

The fourth proportional to 11,138.82, 16,699.24 and 5,589.24 is: 8,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.82 : 16,699.24 = 5,589.24 : x
  2. Step 2: Convert to fraction form
    11,138.82/16,699.24 = 5,589.24/x
  3. Step 3: Cross multiply
    11,138.82x = 16,699.24 × 5,589.24
  4. Step 4: Simplify right side
    11,138.82x = 93,336,060.18
  5. Step 5: Solve for x
    x = 93,336,060.18/11,138.82
  6. Step 6: Final answer
    x = 8,379.35

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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.