Home / 19,752.23-27,252.57-11,791.55

Finding the Fourth Proportional to 19,752.23, 27,252.57 and 11,791.55

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Solution

The fourth proportional to 19,752.23, 27,252.57 and 11,791.55 is: 16,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.23 : 27,252.57 = 11,791.55 : x
  2. Step 2: Convert to fraction form
    19,752.23/27,252.57 = 11,791.55/x
  3. Step 3: Cross multiply
    19,752.23x = 27,252.57 × 11,791.55
  4. Step 4: Simplify right side
    19,752.23x = 321,349,905.52
  5. Step 5: Solve for x
    x = 321,349,905.52/19,752.23
  6. Step 6: Final answer
    x = 16,269.05

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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.