Home / 12,952.25-19,428.38-8,568.68

Finding the Fourth Proportional to 12,952.25, 19,428.38 and 8,568.68

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Solution

The fourth proportional to 12,952.25, 19,428.38 and 8,568.68 is: 12,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.25 : 19,428.38 = 8,568.68 : x
  2. Step 2: Convert to fraction form
    12,952.25/19,428.38 = 8,568.68/x
  3. Step 3: Cross multiply
    12,952.25x = 19,428.38 × 8,568.68
  4. Step 4: Simplify right side
    12,952.25x = 166,475,431.15
  5. Step 5: Solve for x
    x = 166,475,431.15/12,952.25
  6. Step 6: Final answer
    x = 12,853.02

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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.