Home / 18,331.50-25,297.48-9,948

Finding the Fourth Proportional to 18,331.50, 25,297.48 and 9,948

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Solution

The fourth proportional to 18,331.50, 25,297.48 and 9,948 is: 13,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.50 : 25,297.48 = 9,948 : x
  2. Step 2: Convert to fraction form
    18,331.50/25,297.48 = 9,948/x
  3. Step 3: Cross multiply
    18,331.50x = 25,297.48 × 9,948
  4. Step 4: Simplify right side
    18,331.50x = 251,659,331.04
  5. Step 5: Solve for x
    x = 251,659,331.04/18,331.50
  6. Step 6: Final answer
    x = 13,728.25

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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.