Home / 12,380.02-17,084.45-6,791.06

Finding the Fourth Proportional to 12,380.02, 17,084.45 and 6,791.06

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Solution

The fourth proportional to 12,380.02, 17,084.45 and 6,791.06 is: 9,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380.02 : 17,084.45 = 6,791.06 : x
  2. Step 2: Convert to fraction form
    12,380.02/17,084.45 = 6,791.06/x
  3. Step 3: Cross multiply
    12,380.02x = 17,084.45 × 6,791.06
  4. Step 4: Simplify right side
    12,380.02x = 116,021,525.02
  5. Step 5: Solve for x
    x = 116,021,525.02/12,380.02
  6. Step 6: Final answer
    x = 9,371.68

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1.5x scale

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.