Home / 18,305.48-25,252.24-11,579.80

Finding the Fourth Proportional to 18,305.48, 25,252.24 and 11,579.80

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Solution

The fourth proportional to 18,305.48, 25,252.24 and 11,579.80 is: 15,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.48 : 25,252.24 = 11,579.80 : x
  2. Step 2: Convert to fraction form
    18,305.48/25,252.24 = 11,579.80/x
  3. Step 3: Cross multiply
    18,305.48x = 25,252.24 × 11,579.80
  4. Step 4: Simplify right side
    18,305.48x = 292,415,888.75
  5. Step 5: Solve for x
    x = 292,415,888.75/18,305.48
  6. Step 6: Final answer
    x = 15,974.23

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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.