Home / 13,371.66-20,057.04-6,356.72

Finding the Fourth Proportional to 13,371.66, 20,057.04 and 6,356.72

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Solution

The fourth proportional to 13,371.66, 20,057.04 and 6,356.72 is: 9,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.66 : 20,057.04 = 6,356.72 : x
  2. Step 2: Convert to fraction form
    13,371.66/20,057.04 = 6,356.72/x
  3. Step 3: Cross multiply
    13,371.66x = 20,057.04 × 6,356.72
  4. Step 4: Simplify right side
    13,371.66x = 127,496,987.31
  5. Step 5: Solve for x
    x = 127,496,987.31/13,371.66
  6. Step 6: Final answer
    x = 9,534.87

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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.