Home / 13,881.18-20,824.82-4,020.86

Finding the Fourth Proportional to 13,881.18, 20,824.82 and 4,020.86

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Solution

The fourth proportional to 13,881.18, 20,824.82 and 4,020.86 is: 6,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.18 : 20,824.82 = 4,020.86 : x
  2. Step 2: Convert to fraction form
    13,881.18/20,824.82 = 4,020.86/x
  3. Step 3: Cross multiply
    13,881.18x = 20,824.82 × 4,020.86
  4. Step 4: Simplify right side
    13,881.18x = 83,733,561.52
  5. Step 5: Solve for x
    x = 83,733,561.52/13,881.18
  6. Step 6: Final answer
    x = 6,032.16

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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.