Home / 19,776.22-27,291.92-11,278.26

Finding the Fourth Proportional to 19,776.22, 27,291.92 and 11,278.26

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Solution

The fourth proportional to 19,776.22, 27,291.92 and 11,278.26 is: 15,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.22 : 27,291.92 = 11,278.26 : x
  2. Step 2: Convert to fraction form
    19,776.22/27,291.92 = 11,278.26/x
  3. Step 3: Cross multiply
    19,776.22x = 27,291.92 × 11,278.26
  4. Step 4: Simplify right side
    19,776.22x = 307,805,313.27
  5. Step 5: Solve for x
    x = 307,805,313.27/19,776.22
  6. Step 6: Final answer
    x = 15,564.42

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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.