Home / 13,941.36-19,234.40-8,908.53

Finding the Fourth Proportional to 13,941.36, 19,234.40 and 8,908.53

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Solution

The fourth proportional to 13,941.36, 19,234.40 and 8,908.53 is: 12,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.36 : 19,234.40 = 8,908.53 : x
  2. Step 2: Convert to fraction form
    13,941.36/19,234.40 = 8,908.53/x
  3. Step 3: Cross multiply
    13,941.36x = 19,234.40 × 8,908.53
  4. Step 4: Simplify right side
    13,941.36x = 171,350,184.89
  5. Step 5: Solve for x
    x = 171,350,184.89/13,941.36
  6. Step 6: Final answer
    x = 12,290.78

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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.