Home / 13,727.03-18,942.87-8,061.68

Finding the Fourth Proportional to 13,727.03, 18,942.87 and 8,061.68

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Solution

The fourth proportional to 13,727.03, 18,942.87 and 8,061.68 is: 11,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.03 : 18,942.87 = 8,061.68 : x
  2. Step 2: Convert to fraction form
    13,727.03/18,942.87 = 8,061.68/x
  3. Step 3: Cross multiply
    13,727.03x = 18,942.87 × 8,061.68
  4. Step 4: Simplify right side
    13,727.03x = 152,711,356.22
  5. Step 5: Solve for x
    x = 152,711,356.22/13,727.03
  6. Step 6: Final answer
    x = 11,124.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.