Home / 13,379.76-20,070.65-4,019.04

Finding the Fourth Proportional to 13,379.76, 20,070.65 and 4,019.04

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Solution

The fourth proportional to 13,379.76, 20,070.65 and 4,019.04 is: 6,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.76 : 20,070.65 = 4,019.04 : x
  2. Step 2: Convert to fraction form
    13,379.76/20,070.65 = 4,019.04/x
  3. Step 3: Cross multiply
    13,379.76x = 20,070.65 × 4,019.04
  4. Step 4: Simplify right side
    13,379.76x = 80,664,725.08
  5. Step 5: Solve for x
    x = 80,664,725.08/13,379.76
  6. Step 6: Final answer
    x = 6,028.86

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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.