Home / 19,701.84-27,185.22-11,743.86

Finding the Fourth Proportional to 19,701.84, 27,185.22 and 11,743.86

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Solution

The fourth proportional to 19,701.84, 27,185.22 and 11,743.86 is: 16,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.84 : 27,185.22 = 11,743.86 : x
  2. Step 2: Convert to fraction form
    19,701.84/27,185.22 = 11,743.86/x
  3. Step 3: Cross multiply
    19,701.84x = 27,185.22 × 11,743.86
  4. Step 4: Simplify right side
    19,701.84x = 319,259,417.75
  5. Step 5: Solve for x
    x = 319,259,417.75/19,701.84
  6. Step 6: Final answer
    x = 16,204.55

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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.