Home / 11,886.93-17,829.01-3,122.53

Finding the Fourth Proportional to 11,886.93, 17,829.01 and 3,122.53

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Solution

The fourth proportional to 11,886.93, 17,829.01 and 3,122.53 is: 4,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.93 : 17,829.01 = 3,122.53 : x
  2. Step 2: Convert to fraction form
    11,886.93/17,829.01 = 3,122.53/x
  3. Step 3: Cross multiply
    11,886.93x = 17,829.01 × 3,122.53
  4. Step 4: Simplify right side
    11,886.93x = 55,671,618.60
  5. Step 5: Solve for x
    x = 55,671,618.60/11,886.93
  6. Step 6: Final answer
    x = 4,683.43

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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.