Home / 19,719.53-27,213.33-10,767.39

Finding the Fourth Proportional to 19,719.53, 27,213.33 and 10,767.39

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Solution

The fourth proportional to 19,719.53, 27,213.33 and 10,767.39 is: 14,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.53 : 27,213.33 = 10,767.39 : x
  2. Step 2: Convert to fraction form
    19,719.53/27,213.33 = 10,767.39/x
  3. Step 3: Cross multiply
    19,719.53x = 27,213.33 × 10,767.39
  4. Step 4: Simplify right side
    19,719.53x = 293,016,577.69
  5. Step 5: Solve for x
    x = 293,016,577.69/19,719.53
  6. Step 6: Final answer
    x = 14,859.21

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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.