Home / 13,816-20,727.06-5,050.72

Finding the Fourth Proportional to 13,816, 20,727.06 and 5,050.72

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Solution

The fourth proportional to 13,816, 20,727.06 and 5,050.72 is: 7,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816 : 20,727.06 = 5,050.72 : x
  2. Step 2: Convert to fraction form
    13,816/20,727.06 = 5,050.72/x
  3. Step 3: Cross multiply
    13,816x = 20,727.06 × 5,050.72
  4. Step 4: Simplify right side
    13,816x = 104,686,576.48
  5. Step 5: Solve for x
    x = 104,686,576.48/13,816
  6. Step 6: Final answer
    x = 7,577.20

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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.