Home / 15,451.73-21,304.58-13,057.37

Finding the Fourth Proportional to 15,451.73, 21,304.58 and 13,057.37

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Solution

The fourth proportional to 15,451.73, 21,304.58 and 13,057.37 is: 18,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.73 : 21,304.58 = 13,057.37 : x
  2. Step 2: Convert to fraction form
    15,451.73/21,304.58 = 13,057.37/x
  3. Step 3: Cross multiply
    15,451.73x = 21,304.58 × 13,057.37
  4. Step 4: Simplify right side
    15,451.73x = 278,181,611.94
  5. Step 5: Solve for x
    x = 278,181,611.94/15,451.73
  6. Step 6: Final answer
    x = 18,003.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.