Home / 19,719.57-27,212.79-10,767.04

Finding the Fourth Proportional to 19,719.57, 27,212.79 and 10,767.04

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Solution

The fourth proportional to 19,719.57, 27,212.79 and 10,767.04 is: 14,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.57 : 27,212.79 = 10,767.04 : x
  2. Step 2: Convert to fraction form
    19,719.57/27,212.79 = 10,767.04/x
  3. Step 3: Cross multiply
    19,719.57x = 27,212.79 × 10,767.04
  4. Step 4: Simplify right side
    19,719.57x = 293,001,198.44
  5. Step 5: Solve for x
    x = 293,001,198.44/19,719.57
  6. Step 6: Final answer
    x = 14,858.40

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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.