Home / 13,868.44-19,135.42-8,203.50

Finding the Fourth Proportional to 13,868.44, 19,135.42 and 8,203.50

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Solution

The fourth proportional to 13,868.44, 19,135.42 and 8,203.50 is: 11,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.44 : 19,135.42 = 8,203.50 : x
  2. Step 2: Convert to fraction form
    13,868.44/19,135.42 = 8,203.50/x
  3. Step 3: Cross multiply
    13,868.44x = 19,135.42 × 8,203.50
  4. Step 4: Simplify right side
    13,868.44x = 156,977,417.97
  5. Step 5: Solve for x
    x = 156,977,417.97/13,868.44
  6. Step 6: Final answer
    x = 11,319.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.