Home / 19,770.55-27,284.04-11,273.95

Finding the Fourth Proportional to 19,770.55, 27,284.04 and 11,273.95

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Solution

The fourth proportional to 19,770.55, 27,284.04 and 11,273.95 is: 15,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.55 : 27,284.04 = 11,273.95 : x
  2. Step 2: Convert to fraction form
    19,770.55/27,284.04 = 11,273.95/x
  3. Step 3: Cross multiply
    19,770.55x = 27,284.04 × 11,273.95
  4. Step 4: Simplify right side
    19,770.55x = 307,598,936.86
  5. Step 5: Solve for x
    x = 307,598,936.86/19,770.55
  6. Step 6: Final answer
    x = 15,558.44

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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.