Home / 9,939.47-14,909.72-2,543.97

Finding the Fourth Proportional to 9,939.47, 14,909.72 and 2,543.97

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Solution

The fourth proportional to 9,939.47, 14,909.72 and 2,543.97 is: 3,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.47 : 14,909.72 = 2,543.97 : x
  2. Step 2: Convert to fraction form
    9,939.47/14,909.72 = 2,543.97/x
  3. Step 3: Cross multiply
    9,939.47x = 14,909.72 × 2,543.97
  4. Step 4: Simplify right side
    9,939.47x = 37,929,867.67
  5. Step 5: Solve for x
    x = 37,929,867.67/9,939.47
  6. Step 6: Final answer
    x = 3,816.09

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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.