Home / 18,157.44-25,081.92-14,228.16

Finding the Fourth Proportional to 18,157.44, 25,081.92 and 14,228.16

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Solution

The fourth proportional to 18,157.44, 25,081.92 and 14,228.16 is: 19,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.44 : 25,081.92 = 14,228.16 : x
  2. Step 2: Convert to fraction form
    18,157.44/25,081.92 = 14,228.16/x
  3. Step 3: Cross multiply
    18,157.44x = 25,081.92 × 14,228.16
  4. Step 4: Simplify right side
    18,157.44x = 356,869,570.87
  5. Step 5: Solve for x
    x = 356,869,570.87/18,157.44
  6. Step 6: Final answer
    x = 19,654.18

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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.