Home / 19,964.16-27,551.28-11,012

Finding the Fourth Proportional to 19,964.16, 27,551.28 and 11,012

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Solution

The fourth proportional to 19,964.16, 27,551.28 and 11,012 is: 15,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.16 : 27,551.28 = 11,012 : x
  2. Step 2: Convert to fraction form
    19,964.16/27,551.28 = 11,012/x
  3. Step 3: Cross multiply
    19,964.16x = 27,551.28 × 11,012
  4. Step 4: Simplify right side
    19,964.16x = 303,394,695.36
  5. Step 5: Solve for x
    x = 303,394,695.36/19,964.16
  6. Step 6: Final answer
    x = 15,196.97

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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.