Home / 13,310.24-19,977.64-6,741.04

Finding the Fourth Proportional to 13,310.24, 19,977.64 and 6,741.04

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Solution

The fourth proportional to 13,310.24, 19,977.64 and 6,741.04 is: 10,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.24 : 19,977.64 = 6,741.04 : x
  2. Step 2: Convert to fraction form
    13,310.24/19,977.64 = 6,741.04/x
  3. Step 3: Cross multiply
    13,310.24x = 19,977.64 × 6,741.04
  4. Step 4: Simplify right side
    13,310.24x = 134,670,070.35
  5. Step 5: Solve for x
    x = 134,670,070.35/13,310.24
  6. Step 6: Final answer
    x = 10,117.78

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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.