Home / 13,079.16-19,616.58-3,843

Finding the Fourth Proportional to 13,079.16, 19,616.58 and 3,843

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Solution

The fourth proportional to 13,079.16, 19,616.58 and 3,843 is: 5,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.16 : 19,616.58 = 3,843 : x
  2. Step 2: Convert to fraction form
    13,079.16/19,616.58 = 3,843/x
  3. Step 3: Cross multiply
    13,079.16x = 19,616.58 × 3,843
  4. Step 4: Simplify right side
    13,079.16x = 75,386,516.94
  5. Step 5: Solve for x
    x = 75,386,516.94/13,079.16
  6. Step 6: Final answer
    x = 5,763.87

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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.