Home / 13,374.36-20,063.16-6,444

Finding the Fourth Proportional to 13,374.36, 20,063.16 and 6,444

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Solution

The fourth proportional to 13,374.36, 20,063.16 and 6,444 is: 9,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.36 : 20,063.16 = 6,444 : x
  2. Step 2: Convert to fraction form
    13,374.36/20,063.16 = 6,444/x
  3. Step 3: Cross multiply
    13,374.36x = 20,063.16 × 6,444
  4. Step 4: Simplify right side
    13,374.36x = 129,287,003.04
  5. Step 5: Solve for x
    x = 129,287,003.04/13,374.36
  6. Step 6: Final answer
    x = 9,666.78

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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.