Home / 19,719.60-27,213.39-10,767.18

Finding the Fourth Proportional to 19,719.60, 27,213.39 and 10,767.18

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Solution

The fourth proportional to 19,719.60, 27,213.39 and 10,767.18 is: 14,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.60 : 27,213.39 = 10,767.18 : x
  2. Step 2: Convert to fraction form
    19,719.60/27,213.39 = 10,767.18/x
  3. Step 3: Cross multiply
    19,719.60x = 27,213.39 × 10,767.18
  4. Step 4: Simplify right side
    19,719.60x = 293,011,468.54
  5. Step 5: Solve for x
    x = 293,011,468.54/19,719.60
  6. Step 6: Final answer
    x = 14,858.90

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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.