Home / 19,945.07-29,939.48-8,266.49

Finding the Fourth Proportional to 19,945.07, 29,939.48 and 8,266.49

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Solution

The fourth proportional to 19,945.07, 29,939.48 and 8,266.49 is: 12,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.07 : 29,939.48 = 8,266.49 : x
  2. Step 2: Convert to fraction form
    19,945.07/29,939.48 = 8,266.49/x
  3. Step 3: Cross multiply
    19,945.07x = 29,939.48 × 8,266.49
  4. Step 4: Simplify right side
    19,945.07x = 247,494,364.27
  5. Step 5: Solve for x
    x = 247,494,364.27/19,945.07
  6. Step 6: Final answer
    x = 12,408.80

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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.