Home / 13,118.14-19,655.34-9,414.82

Finding the Fourth Proportional to 13,118.14, 19,655.34 and 9,414.82

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Solution

The fourth proportional to 13,118.14, 19,655.34 and 9,414.82 is: 14,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.14 : 19,655.34 = 9,414.82 : x
  2. Step 2: Convert to fraction form
    13,118.14/19,655.34 = 9,414.82/x
  3. Step 3: Cross multiply
    13,118.14x = 19,655.34 × 9,414.82
  4. Step 4: Simplify right side
    13,118.14x = 185,051,488.14
  5. Step 5: Solve for x
    x = 185,051,488.14/13,118.14
  6. Step 6: Final answer
    x = 14,106.53

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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.