Home / 11,252.21-15,527.39-6,720

Finding the Fourth Proportional to 11,252.21, 15,527.39 and 6,720

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Solution

The fourth proportional to 11,252.21, 15,527.39 and 6,720 is: 9,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.21 : 15,527.39 = 6,720 : x
  2. Step 2: Convert to fraction form
    11,252.21/15,527.39 = 6,720/x
  3. Step 3: Cross multiply
    11,252.21x = 15,527.39 × 6,720
  4. Step 4: Simplify right side
    11,252.21x = 104,344,077.60
  5. Step 5: Solve for x
    x = 104,344,077.60/11,252.21
  6. Step 6: Final answer
    x = 9,273.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.