Home / 19,799.28-29,687.22-6,648.12

Finding the Fourth Proportional to 19,799.28, 29,687.22 and 6,648.12

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Solution

The fourth proportional to 19,799.28, 29,687.22 and 6,648.12 is: 9,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.28 : 29,687.22 = 6,648.12 : x
  2. Step 2: Convert to fraction form
    19,799.28/29,687.22 = 6,648.12/x
  3. Step 3: Cross multiply
    19,799.28x = 29,687.22 × 6,648.12
  4. Step 4: Simplify right side
    19,799.28x = 197,364,201.03
  5. Step 5: Solve for x
    x = 197,364,201.03/19,799.28
  6. Step 6: Final answer
    x = 9,968.25

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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.