Home / 13,987.67-20,976.48-4,625.96

Finding the Fourth Proportional to 13,987.67, 20,976.48 and 4,625.96

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Solution

The fourth proportional to 13,987.67, 20,976.48 and 4,625.96 is: 6,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987.67 : 20,976.48 = 4,625.96 : x
  2. Step 2: Convert to fraction form
    13,987.67/20,976.48 = 4,625.96/x
  3. Step 3: Cross multiply
    13,987.67x = 20,976.48 × 4,625.96
  4. Step 4: Simplify right side
    13,987.67x = 97,036,252.54
  5. Step 5: Solve for x
    x = 97,036,252.54/13,987.67
  6. Step 6: Final answer
    x = 6,937.27

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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.