Home / 9,939.75-14,913.14-4,392.38

Finding the Fourth Proportional to 9,939.75, 14,913.14 and 4,392.38

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Solution

The fourth proportional to 9,939.75, 14,913.14 and 4,392.38 is: 6,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.75 : 14,913.14 = 4,392.38 : x
  2. Step 2: Convert to fraction form
    9,939.75/14,913.14 = 4,392.38/x
  3. Step 3: Cross multiply
    9,939.75x = 14,913.14 × 4,392.38
  4. Step 4: Simplify right side
    9,939.75x = 65,504,081.35
  5. Step 5: Solve for x
    x = 65,504,081.35/9,939.75
  6. Step 6: Final answer
    x = 6,590.11

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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.