Home / 19,720.07-27,213.48-10,767.54

Finding the Fourth Proportional to 19,720.07, 27,213.48 and 10,767.54

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Solution

The fourth proportional to 19,720.07, 27,213.48 and 10,767.54 is: 14,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.07 : 27,213.48 = 10,767.54 : x
  2. Step 2: Convert to fraction form
    19,720.07/27,213.48 = 10,767.54/x
  3. Step 3: Cross multiply
    19,720.07x = 27,213.48 × 10,767.54
  4. Step 4: Simplify right side
    19,720.07x = 293,022,234.44
  5. Step 5: Solve for x
    x = 293,022,234.44/19,720.07
  6. Step 6: Final answer
    x = 14,859.09

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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.