Home / 14,234.79-21,348.54-9,791.54

Finding the Fourth Proportional to 14,234.79, 21,348.54 and 9,791.54

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Solution

The fourth proportional to 14,234.79, 21,348.54 and 9,791.54 is: 14,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.79 : 21,348.54 = 9,791.54 : x
  2. Step 2: Convert to fraction form
    14,234.79/21,348.54 = 9,791.54/x
  3. Step 3: Cross multiply
    14,234.79x = 21,348.54 × 9,791.54
  4. Step 4: Simplify right side
    14,234.79x = 209,034,976.61
  5. Step 5: Solve for x
    x = 209,034,976.61/14,234.79
  6. Step 6: Final answer
    x = 14,684.80

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1.5x scale

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.