Home / 19,807.75-27,330.43-11,743.95

Finding the Fourth Proportional to 19,807.75, 27,330.43 and 11,743.95

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Solution

The fourth proportional to 19,807.75, 27,330.43 and 11,743.95 is: 16,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.75 : 27,330.43 = 11,743.95 : x
  2. Step 2: Convert to fraction form
    19,807.75/27,330.43 = 11,743.95/x
  3. Step 3: Cross multiply
    19,807.75x = 27,330.43 × 11,743.95
  4. Step 4: Simplify right side
    19,807.75x = 320,967,203.40
  5. Step 5: Solve for x
    x = 320,967,203.40/19,807.75
  6. Step 6: Final answer
    x = 16,204.12

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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.