Home / 18,331.79-25,297.89-9,948.29

Finding the Fourth Proportional to 18,331.79, 25,297.89 and 9,948.29

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Solution

The fourth proportional to 18,331.79, 25,297.89 and 9,948.29 is: 13,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.79 : 25,297.89 = 9,948.29 : x
  2. Step 2: Convert to fraction form
    18,331.79/25,297.89 = 9,948.29/x
  3. Step 3: Cross multiply
    18,331.79x = 25,297.89 × 9,948.29
  4. Step 4: Simplify right side
    18,331.79x = 251,670,809.35
  5. Step 5: Solve for x
    x = 251,670,809.35/18,331.79
  6. Step 6: Final answer
    x = 13,728.65

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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.