Home / 19,720.36-27,214.32-10,767.97

Finding the Fourth Proportional to 19,720.36, 27,214.32 and 10,767.97

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Solution

The fourth proportional to 19,720.36, 27,214.32 and 10,767.97 is: 14,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.36 : 27,214.32 = 10,767.97 : x
  2. Step 2: Convert to fraction form
    19,720.36/27,214.32 = 10,767.97/x
  3. Step 3: Cross multiply
    19,720.36x = 27,214.32 × 10,767.97
  4. Step 4: Simplify right side
    19,720.36x = 293,042,981.33
  5. Step 5: Solve for x
    x = 293,042,981.33/19,720.36
  6. Step 6: Final answer
    x = 14,859.92

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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.