Home / 19,742.19-27,235.62-12,568.29

Finding the Fourth Proportional to 19,742.19, 27,235.62 and 12,568.29

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Solution

The fourth proportional to 19,742.19, 27,235.62 and 12,568.29 is: 17,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.19 : 27,235.62 = 12,568.29 : x
  2. Step 2: Convert to fraction form
    19,742.19/27,235.62 = 12,568.29/x
  3. Step 3: Cross multiply
    19,742.19x = 27,235.62 × 12,568.29
  4. Step 4: Simplify right side
    19,742.19x = 342,305,170.49
  5. Step 5: Solve for x
    x = 342,305,170.49/19,742.19
  6. Step 6: Final answer
    x = 17,338.76

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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.