Home / 13,627.48-20,440.64-4,267.29

Finding the Fourth Proportional to 13,627.48, 20,440.64 and 4,267.29

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Solution

The fourth proportional to 13,627.48, 20,440.64 and 4,267.29 is: 6,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.48 : 20,440.64 = 4,267.29 : x
  2. Step 2: Convert to fraction form
    13,627.48/20,440.64 = 4,267.29/x
  3. Step 3: Cross multiply
    13,627.48x = 20,440.64 × 4,267.29
  4. Step 4: Simplify right side
    13,627.48x = 87,226,171.66
  5. Step 5: Solve for x
    x = 87,226,171.66/13,627.48
  6. Step 6: Final answer
    x = 6,400.76

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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.