Home / 13,627.67-20,447.95-5,731.91

Finding the Fourth Proportional to 13,627.67, 20,447.95 and 5,731.91

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Solution

The fourth proportional to 13,627.67, 20,447.95 and 5,731.91 is: 8,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.67 : 20,447.95 = 5,731.91 : x
  2. Step 2: Convert to fraction form
    13,627.67/20,447.95 = 5,731.91/x
  3. Step 3: Cross multiply
    13,627.67x = 20,447.95 × 5,731.91
  4. Step 4: Simplify right side
    13,627.67x = 117,205,790.69
  5. Step 5: Solve for x
    x = 117,205,790.69/13,627.67
  6. Step 6: Final answer
    x = 8,600.58

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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.