Home / 18,118.60-25,003.78-10,160.94

Finding the Fourth Proportional to 18,118.60, 25,003.78 and 10,160.94

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Solution

The fourth proportional to 18,118.60, 25,003.78 and 10,160.94 is: 14,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.60 : 25,003.78 = 10,160.94 : x
  2. Step 2: Convert to fraction form
    18,118.60/25,003.78 = 10,160.94/x
  3. Step 3: Cross multiply
    18,118.60x = 25,003.78 × 10,160.94
  4. Step 4: Simplify right side
    18,118.60x = 254,061,908.35
  5. Step 5: Solve for x
    x = 254,061,908.35/18,118.60
  6. Step 6: Final answer
    x = 14,022.16

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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.