Home / 21,112.02-31,659.12-6,323.04

Finding the Fourth Proportional to 21,112.02, 31,659.12 and 6,323.04

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Solution

The fourth proportional to 21,112.02, 31,659.12 and 6,323.04 is: 9,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,112.02 : 31,659.12 = 6,323.04 : x
  2. Step 2: Convert to fraction form
    21,112.02/31,659.12 = 6,323.04/x
  3. Step 3: Cross multiply
    21,112.02x = 31,659.12 × 6,323.04
  4. Step 4: Simplify right side
    21,112.02x = 200,181,882.12
  5. Step 5: Solve for x
    x = 200,181,882.12/21,112.02
  6. Step 6: Final answer
    x = 9,481.89

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1.5x scale

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.