Home / 17,119.65-25,679.48-11,838.05

Finding the Fourth Proportional to 17,119.65, 25,679.48 and 11,838.05

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Solution

The fourth proportional to 17,119.65, 25,679.48 and 11,838.05 is: 17,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.65 : 25,679.48 = 11,838.05 : x
  2. Step 2: Convert to fraction form
    17,119.65/25,679.48 = 11,838.05/x
  3. Step 3: Cross multiply
    17,119.65x = 25,679.48 × 11,838.05
  4. Step 4: Simplify right side
    17,119.65x = 303,994,943.51
  5. Step 5: Solve for x
    x = 303,994,943.51/17,119.65
  6. Step 6: Final answer
    x = 17,757.07

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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.