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Finding the Fourth Proportional to 14,013.92, 20,997.47 and 9,846.47

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Solution

The fourth proportional to 14,013.92, 20,997.47 and 9,846.47 is: 14,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.92 : 20,997.47 = 9,846.47 : x
  2. Step 2: Convert to fraction form
    14,013.92/20,997.47 = 9,846.47/x
  3. Step 3: Cross multiply
    14,013.92x = 20,997.47 × 9,846.47
  4. Step 4: Simplify right side
    14,013.92x = 206,750,878.06
  5. Step 5: Solve for x
    x = 206,750,878.06/14,013.92
  6. Step 6: Final answer
    x = 14,753.26

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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.