Home / 19,964.72-27,551.31-11,012.22

Finding the Fourth Proportional to 19,964.72, 27,551.31 and 11,012.22

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Solution

The fourth proportional to 19,964.72, 27,551.31 and 11,012.22 is: 15,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.72 : 27,551.31 = 11,012.22 : x
  2. Step 2: Convert to fraction form
    19,964.72/27,551.31 = 11,012.22/x
  3. Step 3: Cross multiply
    19,964.72x = 27,551.31 × 11,012.22
  4. Step 4: Simplify right side
    19,964.72x = 303,401,104.16
  5. Step 5: Solve for x
    x = 303,401,104.16/19,964.72
  6. Step 6: Final answer
    x = 15,196.86

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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.