Home / 13,379.10-20,068.38-4,019.16

Finding the Fourth Proportional to 13,379.10, 20,068.38 and 4,019.16

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Solution

The fourth proportional to 13,379.10, 20,068.38 and 4,019.16 is: 6,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.10 : 20,068.38 = 4,019.16 : x
  2. Step 2: Convert to fraction form
    13,379.10/20,068.38 = 4,019.16/x
  3. Step 3: Cross multiply
    13,379.10x = 20,068.38 × 4,019.16
  4. Step 4: Simplify right side
    13,379.10x = 80,658,030.16
  5. Step 5: Solve for x
    x = 80,658,030.16/13,379.10
  6. Step 6: Final answer
    x = 6,028.66

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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.