Home / 17,690.32-26,552.94-12,997.16

Finding the Fourth Proportional to 17,690.32, 26,552.94 and 12,997.16

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Solution

The fourth proportional to 17,690.32, 26,552.94 and 12,997.16 is: 19,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.32 : 26,552.94 = 12,997.16 : x
  2. Step 2: Convert to fraction form
    17,690.32/26,552.94 = 12,997.16/x
  3. Step 3: Cross multiply
    17,690.32x = 26,552.94 × 12,997.16
  4. Step 4: Simplify right side
    17,690.32x = 345,112,809.65
  5. Step 5: Solve for x
    x = 345,112,809.65/17,690.32
  6. Step 6: Final answer
    x = 19,508.57

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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.