Home / 13,893.30-20,849.67-6,107.58

Finding the Fourth Proportional to 13,893.30, 20,849.67 and 6,107.58

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Solution

The fourth proportional to 13,893.30, 20,849.67 and 6,107.58 is: 9,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.30 : 20,849.67 = 6,107.58 : x
  2. Step 2: Convert to fraction form
    13,893.30/20,849.67 = 6,107.58/x
  3. Step 3: Cross multiply
    13,893.30x = 20,849.67 × 6,107.58
  4. Step 4: Simplify right side
    13,893.30x = 127,341,027.50
  5. Step 5: Solve for x
    x = 127,341,027.50/13,893.30
  6. Step 6: Final answer
    x = 9,165.64

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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.