Home / 11,827.59-17,737.05-3,928.68

Finding the Fourth Proportional to 11,827.59, 17,737.05 and 3,928.68

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Solution

The fourth proportional to 11,827.59, 17,737.05 and 3,928.68 is: 5,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.59 : 17,737.05 = 3,928.68 : x
  2. Step 2: Convert to fraction form
    11,827.59/17,737.05 = 3,928.68/x
  3. Step 3: Cross multiply
    11,827.59x = 17,737.05 × 3,928.68
  4. Step 4: Simplify right side
    11,827.59x = 69,683,193.59
  5. Step 5: Solve for x
    x = 69,683,193.59/11,827.59
  6. Step 6: Final answer
    x = 5,891.58

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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.