Home / 19,939.08-29,894.76-8,839.68

Finding the Fourth Proportional to 19,939.08, 29,894.76 and 8,839.68

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Solution

The fourth proportional to 19,939.08, 29,894.76 and 8,839.68 is: 13,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.08 : 29,894.76 = 8,839.68 : x
  2. Step 2: Convert to fraction form
    19,939.08/29,894.76 = 8,839.68/x
  3. Step 3: Cross multiply
    19,939.08x = 29,894.76 × 8,839.68
  4. Step 4: Simplify right side
    19,939.08x = 264,260,112.08
  5. Step 5: Solve for x
    x = 264,260,112.08/19,939.08
  6. Step 6: Final answer
    x = 13,253.38

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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.