Home / 17,863.62-26,787.66-7,868.16

Finding the Fourth Proportional to 17,863.62, 26,787.66 and 7,868.16

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Solution

The fourth proportional to 17,863.62, 26,787.66 and 7,868.16 is: 11,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.62 : 26,787.66 = 7,868.16 : x
  2. Step 2: Convert to fraction form
    17,863.62/26,787.66 = 7,868.16/x
  3. Step 3: Cross multiply
    17,863.62x = 26,787.66 × 7,868.16
  4. Step 4: Simplify right side
    17,863.62x = 210,769,594.91
  5. Step 5: Solve for x
    x = 210,769,594.91/17,863.62
  6. Step 6: Final answer
    x = 11,798.82

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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.