Home / 14,470.89-21,691.54-9,791.39

Finding the Fourth Proportional to 14,470.89, 21,691.54 and 9,791.39

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Solution

The fourth proportional to 14,470.89, 21,691.54 and 9,791.39 is: 14,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.89 : 21,691.54 = 9,791.39 : x
  2. Step 2: Convert to fraction form
    14,470.89/21,691.54 = 9,791.39/x
  3. Step 3: Cross multiply
    14,470.89x = 21,691.54 × 9,791.39
  4. Step 4: Simplify right side
    14,470.89x = 212,390,394.31
  5. Step 5: Solve for x
    x = 212,390,394.31/14,470.89
  6. Step 6: Final answer
    x = 14,677.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.