Home / 17,859.06-26,744.84-12,581.10

Finding the Fourth Proportional to 17,859.06, 26,744.84 and 12,581.10

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Solution

The fourth proportional to 17,859.06, 26,744.84 and 12,581.10 is: 18,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.06 : 26,744.84 = 12,581.10 : x
  2. Step 2: Convert to fraction form
    17,859.06/26,744.84 = 12,581.10/x
  3. Step 3: Cross multiply
    17,859.06x = 26,744.84 × 12,581.10
  4. Step 4: Simplify right side
    17,859.06x = 336,479,537.98
  5. Step 5: Solve for x
    x = 336,479,537.98/17,859.06
  6. Step 6: Final answer
    x = 18,840.83

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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.