Home / 19,758.74-27,267.78-10,805.72

Finding the Fourth Proportional to 19,758.74, 27,267.78 and 10,805.72

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Solution

The fourth proportional to 19,758.74, 27,267.78 and 10,805.72 is: 14,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.74 : 27,267.78 = 10,805.72 : x
  2. Step 2: Convert to fraction form
    19,758.74/27,267.78 = 10,805.72/x
  3. Step 3: Cross multiply
    19,758.74x = 27,267.78 × 10,805.72
  4. Step 4: Simplify right side
    19,758.74x = 294,647,995.70
  5. Step 5: Solve for x
    x = 294,647,995.70/19,758.74
  6. Step 6: Final answer
    x = 14,912.29

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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.