Home / 19,766.52-27,278.47-11,269.89

Finding the Fourth Proportional to 19,766.52, 27,278.47 and 11,269.89

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Solution

The fourth proportional to 19,766.52, 27,278.47 and 11,269.89 is: 15,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.52 : 27,278.47 = 11,269.89 : x
  2. Step 2: Convert to fraction form
    19,766.52/27,278.47 = 11,269.89/x
  3. Step 3: Cross multiply
    19,766.52x = 27,278.47 × 11,269.89
  4. Step 4: Simplify right side
    19,766.52x = 307,425,356.27
  5. Step 5: Solve for x
    x = 307,425,356.27/19,766.52
  6. Step 6: Final answer
    x = 15,552.83

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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.