Home / 19,568.28-29,349.96-7,872.68

Finding the Fourth Proportional to 19,568.28, 29,349.96 and 7,872.68

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Solution

The fourth proportional to 19,568.28, 29,349.96 and 7,872.68 is: 11,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.28 : 29,349.96 = 7,872.68 : x
  2. Step 2: Convert to fraction form
    19,568.28/29,349.96 = 7,872.68/x
  3. Step 3: Cross multiply
    19,568.28x = 29,349.96 × 7,872.68
  4. Step 4: Simplify right side
    19,568.28x = 231,062,843.09
  5. Step 5: Solve for x
    x = 231,062,843.09/19,568.28
  6. Step 6: Final answer
    x = 11,808.03

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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.