Home / 18,522.25-25,560.89-10,138.93

Finding the Fourth Proportional to 18,522.25, 25,560.89 and 10,138.93

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Solution

The fourth proportional to 18,522.25, 25,560.89 and 10,138.93 is: 13,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.25 : 25,560.89 = 10,138.93 : x
  2. Step 2: Convert to fraction form
    18,522.25/25,560.89 = 10,138.93/x
  3. Step 3: Cross multiply
    18,522.25x = 25,560.89 × 10,138.93
  4. Step 4: Simplify right side
    18,522.25x = 259,160,074.45
  5. Step 5: Solve for x
    x = 259,160,074.45/18,522.25
  6. Step 6: Final answer
    x = 13,991.82

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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.