Home / 13,333.13-19,997.24-3,471.78

Finding the Fourth Proportional to 13,333.13, 19,997.24 and 3,471.78

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Solution

The fourth proportional to 13,333.13, 19,997.24 and 3,471.78 is: 5,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.13 : 19,997.24 = 3,471.78 : x
  2. Step 2: Convert to fraction form
    13,333.13/19,997.24 = 3,471.78/x
  3. Step 3: Cross multiply
    13,333.13x = 19,997.24 × 3,471.78
  4. Step 4: Simplify right side
    13,333.13x = 69,426,000.53
  5. Step 5: Solve for x
    x = 69,426,000.53/13,333.13
  6. Step 6: Final answer
    x = 5,207.03

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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.