Home / 13,870.43-20,795.25-4,504.85

Finding the Fourth Proportional to 13,870.43, 20,795.25 and 4,504.85

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Solution

The fourth proportional to 13,870.43, 20,795.25 and 4,504.85 is: 6,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.43 : 20,795.25 = 4,504.85 : x
  2. Step 2: Convert to fraction form
    13,870.43/20,795.25 = 4,504.85/x
  3. Step 3: Cross multiply
    13,870.43x = 20,795.25 × 4,504.85
  4. Step 4: Simplify right side
    13,870.43x = 93,679,481.96
  5. Step 5: Solve for x
    x = 93,679,481.96/13,870.43
  6. Step 6: Final answer
    x = 6,753.90

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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.