Home / 12,627.21-18,940.86-3,862.11

Finding the Fourth Proportional to 12,627.21, 18,940.86 and 3,862.11

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Solution

The fourth proportional to 12,627.21, 18,940.86 and 3,862.11 is: 5,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.21 : 18,940.86 = 3,862.11 : x
  2. Step 2: Convert to fraction form
    12,627.21/18,940.86 = 3,862.11/x
  3. Step 3: Cross multiply
    12,627.21x = 18,940.86 × 3,862.11
  4. Step 4: Simplify right side
    12,627.21x = 73,151,684.81
  5. Step 5: Solve for x
    x = 73,151,684.81/12,627.21
  6. Step 6: Final answer
    x = 5,793.18

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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.