Home / 13,135.11-19,682.42-6,463.95

Finding the Fourth Proportional to 13,135.11, 19,682.42 and 6,463.95

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Solution

The fourth proportional to 13,135.11, 19,682.42 and 6,463.95 is: 9,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.11 : 19,682.42 = 6,463.95 : x
  2. Step 2: Convert to fraction form
    13,135.11/19,682.42 = 6,463.95/x
  3. Step 3: Cross multiply
    13,135.11x = 19,682.42 × 6,463.95
  4. Step 4: Simplify right side
    13,135.11x = 127,226,146.44
  5. Step 5: Solve for x
    x = 127,226,146.44/13,135.11
  6. Step 6: Final answer
    x = 9,685.96

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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.