Home / 13,337.58-19,992.72-6,743.78

Finding the Fourth Proportional to 13,337.58, 19,992.72 and 6,743.78

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Solution

The fourth proportional to 13,337.58, 19,992.72 and 6,743.78 is: 10,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.58 : 19,992.72 = 6,743.78 : x
  2. Step 2: Convert to fraction form
    13,337.58/19,992.72 = 6,743.78/x
  3. Step 3: Cross multiply
    13,337.58x = 19,992.72 × 6,743.78
  4. Step 4: Simplify right side
    13,337.58x = 134,826,505.28
  5. Step 5: Solve for x
    x = 134,826,505.28/13,337.58
  6. Step 6: Final answer
    x = 10,108.77

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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.