Home / 13,379.19-20,068.66-4,020.01

Finding the Fourth Proportional to 13,379.19, 20,068.66 and 4,020.01

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Solution

The fourth proportional to 13,379.19, 20,068.66 and 4,020.01 is: 6,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.19 : 20,068.66 = 4,020.01 : x
  2. Step 2: Convert to fraction form
    13,379.19/20,068.66 = 4,020.01/x
  3. Step 3: Cross multiply
    13,379.19x = 20,068.66 × 4,020.01
  4. Step 4: Simplify right side
    13,379.19x = 80,676,168.74
  5. Step 5: Solve for x
    x = 80,676,168.74/13,379.19
  6. Step 6: Final answer
    x = 6,029.98

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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.