Home / 20,496.87-30,737.25-9,963.81

Finding the Fourth Proportional to 20,496.87, 30,737.25 and 9,963.81

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Solution

The fourth proportional to 20,496.87, 30,737.25 and 9,963.81 is: 14,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.87 : 30,737.25 = 9,963.81 : x
  2. Step 2: Convert to fraction form
    20,496.87/30,737.25 = 9,963.81/x
  3. Step 3: Cross multiply
    20,496.87x = 30,737.25 × 9,963.81
  4. Step 4: Simplify right side
    20,496.87x = 306,260,118.92
  5. Step 5: Solve for x
    x = 306,260,118.92/20,496.87
  6. Step 6: Final answer
    x = 14,941.80

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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.