Home / 13,379.42-20,065.14-4,019.06

Finding the Fourth Proportional to 13,379.42, 20,065.14 and 4,019.06

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Solution

The fourth proportional to 13,379.42, 20,065.14 and 4,019.06 is: 6,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.42 : 20,065.14 = 4,019.06 : x
  2. Step 2: Convert to fraction form
    13,379.42/20,065.14 = 4,019.06/x
  3. Step 3: Cross multiply
    13,379.42x = 20,065.14 × 4,019.06
  4. Step 4: Simplify right side
    13,379.42x = 80,643,001.57
  5. Step 5: Solve for x
    x = 80,643,001.57/13,379.42
  6. Step 6: Final answer
    x = 6,027.39

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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.