Home / 13,849.30-19,113.48-8,185.87

Finding the Fourth Proportional to 13,849.30, 19,113.48 and 8,185.87

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Solution

The fourth proportional to 13,849.30, 19,113.48 and 8,185.87 is: 11,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.30 : 19,113.48 = 8,185.87 : x
  2. Step 2: Convert to fraction form
    13,849.30/19,113.48 = 8,185.87/x
  3. Step 3: Cross multiply
    13,849.30x = 19,113.48 × 8,185.87
  4. Step 4: Simplify right side
    13,849.30x = 156,460,462.53
  5. Step 5: Solve for x
    x = 156,460,462.53/13,849.30
  6. Step 6: Final answer
    x = 11,297.36

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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.