Home / 12,568.54-17,329.35-10,863.97

Finding the Fourth Proportional to 12,568.54, 17,329.35 and 10,863.97

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Solution

The fourth proportional to 12,568.54, 17,329.35 and 10,863.97 is: 14,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.54 : 17,329.35 = 10,863.97 : x
  2. Step 2: Convert to fraction form
    12,568.54/17,329.35 = 10,863.97/x
  3. Step 3: Cross multiply
    12,568.54x = 17,329.35 × 10,863.97
  4. Step 4: Simplify right side
    12,568.54x = 188,265,538.52
  5. Step 5: Solve for x
    x = 188,265,538.52/12,568.54
  6. Step 6: Final answer
    x = 14,979.11

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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.