Home / 35,338.21-53,015.13-11,644.80

Finding the Fourth Proportional to 35,338.21, 53,015.13 and 11,644.80

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Solution

The fourth proportional to 35,338.21, 53,015.13 and 11,644.80 is: 17,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,338.21 : 53,015.13 = 11,644.80 : x
  2. Step 2: Convert to fraction form
    35,338.21/53,015.13 = 11,644.80/x
  3. Step 3: Cross multiply
    35,338.21x = 53,015.13 × 11,644.80
  4. Step 4: Simplify right side
    35,338.21x = 617,350,585.82
  5. Step 5: Solve for x
    x = 617,350,585.82/35,338.21
  6. Step 6: Final answer
    x = 17,469.78

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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.