Home / 13,850.18-20,774.55-4,490.06

Finding the Fourth Proportional to 13,850.18, 20,774.55 and 4,490.06

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Solution

The fourth proportional to 13,850.18, 20,774.55 and 4,490.06 is: 6,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.18 : 20,774.55 = 4,490.06 : x
  2. Step 2: Convert to fraction form
    13,850.18/20,774.55 = 4,490.06/x
  3. Step 3: Cross multiply
    13,850.18x = 20,774.55 × 4,490.06
  4. Step 4: Simplify right side
    13,850.18x = 93,278,975.97
  5. Step 5: Solve for x
    x = 93,278,975.97/13,850.18
  6. Step 6: Final answer
    x = 6,734.86

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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.