Home / 19,721.64-27,214.85-10,767.42

Finding the Fourth Proportional to 19,721.64, 27,214.85 and 10,767.42

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Solution

The fourth proportional to 19,721.64, 27,214.85 and 10,767.42 is: 14,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.64 : 27,214.85 = 10,767.42 : x
  2. Step 2: Convert to fraction form
    19,721.64/27,214.85 = 10,767.42/x
  3. Step 3: Cross multiply
    19,721.64x = 27,214.85 × 10,767.42
  4. Step 4: Simplify right side
    19,721.64x = 293,033,747.11
  5. Step 5: Solve for x
    x = 293,033,747.11/19,721.64
  6. Step 6: Final answer
    x = 14,858.48

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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.