Home / 13,127.04-19,644.30-8,199

Finding the Fourth Proportional to 13,127.04, 19,644.30 and 8,199

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Solution

The fourth proportional to 13,127.04, 19,644.30 and 8,199 is: 12,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.04 : 19,644.30 = 8,199 : x
  2. Step 2: Convert to fraction form
    13,127.04/19,644.30 = 8,199/x
  3. Step 3: Cross multiply
    13,127.04x = 19,644.30 × 8,199
  4. Step 4: Simplify right side
    13,127.04x = 161,063,615.70
  5. Step 5: Solve for x
    x = 161,063,615.70/13,127.04
  6. Step 6: Final answer
    x = 12,269.61

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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.