Home / 18,137.34-27,206.42-10,329.75

Finding the Fourth Proportional to 18,137.34, 27,206.42 and 10,329.75

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Solution

The fourth proportional to 18,137.34, 27,206.42 and 10,329.75 is: 15,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.34 : 27,206.42 = 10,329.75 : x
  2. Step 2: Convert to fraction form
    18,137.34/27,206.42 = 10,329.75/x
  3. Step 3: Cross multiply
    18,137.34x = 27,206.42 × 10,329.75
  4. Step 4: Simplify right side
    18,137.34x = 281,035,465.35
  5. Step 5: Solve for x
    x = 281,035,465.35/18,137.34
  6. Step 6: Final answer
    x = 15,494.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.