Home / 13,997.14-20,995.68-9,601.28

Finding the Fourth Proportional to 13,997.14, 20,995.68 and 9,601.28

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Solution

The fourth proportional to 13,997.14, 20,995.68 and 9,601.28 is: 14,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.14 : 20,995.68 = 9,601.28 : x
  2. Step 2: Convert to fraction form
    13,997.14/20,995.68 = 9,601.28/x
  3. Step 3: Cross multiply
    13,997.14x = 20,995.68 × 9,601.28
  4. Step 4: Simplify right side
    13,997.14x = 201,585,402.47
  5. Step 5: Solve for x
    x = 201,585,402.47/13,997.14
  6. Step 6: Final answer
    x = 14,401.90

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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.