Home / 11,137.14-16,767.32-9,219.06

Finding the Fourth Proportional to 11,137.14, 16,767.32 and 9,219.06

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Solution

The fourth proportional to 11,137.14, 16,767.32 and 9,219.06 is: 13,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.14 : 16,767.32 = 9,219.06 : x
  2. Step 2: Convert to fraction form
    11,137.14/16,767.32 = 9,219.06/x
  3. Step 3: Cross multiply
    11,137.14x = 16,767.32 × 9,219.06
  4. Step 4: Simplify right side
    11,137.14x = 154,578,883.02
  5. Step 5: Solve for x
    x = 154,578,883.02/11,137.14
  6. Step 6: Final answer
    x = 13,879.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.