Home / 13,081.35-18,050.97-7,414.98

Finding the Fourth Proportional to 13,081.35, 18,050.97 and 7,414.98

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Solution

The fourth proportional to 13,081.35, 18,050.97 and 7,414.98 is: 10,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.35 : 18,050.97 = 7,414.98 : x
  2. Step 2: Convert to fraction form
    13,081.35/18,050.97 = 7,414.98/x
  3. Step 3: Cross multiply
    13,081.35x = 18,050.97 × 7,414.98
  4. Step 4: Simplify right side
    13,081.35x = 133,847,581.53
  5. Step 5: Solve for x
    x = 133,847,581.53/13,081.35
  6. Step 6: Final answer
    x = 10,231.94

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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.