Home / 12,758.07-19,137.12-4,438.14

Finding the Fourth Proportional to 12,758.07, 19,137.12 and 4,438.14

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Solution

The fourth proportional to 12,758.07, 19,137.12 and 4,438.14 is: 6,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.07 : 19,137.12 = 4,438.14 : x
  2. Step 2: Convert to fraction form
    12,758.07/19,137.12 = 4,438.14/x
  3. Step 3: Cross multiply
    12,758.07x = 19,137.12 × 4,438.14
  4. Step 4: Simplify right side
    12,758.07x = 84,933,217.76
  5. Step 5: Solve for x
    x = 84,933,217.76/12,758.07
  6. Step 6: Final answer
    x = 6,657.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.