Home / 19,719.72-27,213.12-10,767.06

Finding the Fourth Proportional to 19,719.72, 27,213.12 and 10,767.06

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Solution

The fourth proportional to 19,719.72, 27,213.12 and 10,767.06 is: 14,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.72 : 27,213.12 = 10,767.06 : x
  2. Step 2: Convert to fraction form
    19,719.72/27,213.12 = 10,767.06/x
  3. Step 3: Cross multiply
    19,719.72x = 27,213.12 × 10,767.06
  4. Step 4: Simplify right side
    19,719.72x = 293,005,295.83
  5. Step 5: Solve for x
    x = 293,005,295.83/19,719.72
  6. Step 6: Final answer
    x = 14,858.49

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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.