Home / 19,764.57-27,275.78-11,267.96

Finding the Fourth Proportional to 19,764.57, 27,275.78 and 11,267.96

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Solution

The fourth proportional to 19,764.57, 27,275.78 and 11,267.96 is: 15,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.57 : 27,275.78 = 11,267.96 : x
  2. Step 2: Convert to fraction form
    19,764.57/27,275.78 = 11,267.96/x
  3. Step 3: Cross multiply
    19,764.57x = 27,275.78 × 11,267.96
  4. Step 4: Simplify right side
    19,764.57x = 307,342,289.80
  5. Step 5: Solve for x
    x = 307,342,289.80/19,764.57
  6. Step 6: Final answer
    x = 15,550.16

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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.