Home / 12,764.32-19,171.08-10,806.95

Finding the Fourth Proportional to 12,764.32, 19,171.08 and 10,806.95

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Solution

The fourth proportional to 12,764.32, 19,171.08 and 10,806.95 is: 16,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.32 : 19,171.08 = 10,806.95 : x
  2. Step 2: Convert to fraction form
    12,764.32/19,171.08 = 10,806.95/x
  3. Step 3: Cross multiply
    12,764.32x = 19,171.08 × 10,806.95
  4. Step 4: Simplify right side
    12,764.32x = 207,180,950.93
  5. Step 5: Solve for x
    x = 207,180,950.93/12,764.32
  6. Step 6: Final answer
    x = 16,231.26

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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.