Home / 13,310.38-19,977.84-6,741.16

Finding the Fourth Proportional to 13,310.38, 19,977.84 and 6,741.16

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Solution

The fourth proportional to 13,310.38, 19,977.84 and 6,741.16 is: 10,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.38 : 19,977.84 = 6,741.16 : x
  2. Step 2: Convert to fraction form
    13,310.38/19,977.84 = 6,741.16/x
  3. Step 3: Cross multiply
    13,310.38x = 19,977.84 × 6,741.16
  4. Step 4: Simplify right side
    13,310.38x = 134,673,815.89
  5. Step 5: Solve for x
    x = 134,673,815.89/13,310.38
  6. Step 6: Final answer
    x = 10,117.95

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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.