Home / 16,806.09-25,212.81-5,119.02

Finding the Fourth Proportional to 16,806.09, 25,212.81 and 5,119.02

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Solution

The fourth proportional to 16,806.09, 25,212.81 and 5,119.02 is: 7,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.09 : 25,212.81 = 5,119.02 : x
  2. Step 2: Convert to fraction form
    16,806.09/25,212.81 = 5,119.02/x
  3. Step 3: Cross multiply
    16,806.09x = 25,212.81 × 5,119.02
  4. Step 4: Simplify right side
    16,806.09x = 129,064,878.65
  5. Step 5: Solve for x
    x = 129,064,878.65/16,806.09
  6. Step 6: Final answer
    x = 7,679.65

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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.