Home / 12,775.40-19,163.91-4,010.66

Finding the Fourth Proportional to 12,775.40, 19,163.91 and 4,010.66

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Solution

The fourth proportional to 12,775.40, 19,163.91 and 4,010.66 is: 6,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.40 : 19,163.91 = 4,010.66 : x
  2. Step 2: Convert to fraction form
    12,775.40/19,163.91 = 4,010.66/x
  3. Step 3: Cross multiply
    12,775.40x = 19,163.91 × 4,010.66
  4. Step 4: Simplify right side
    12,775.40x = 76,859,927.28
  5. Step 5: Solve for x
    x = 76,859,927.28/12,775.40
  6. Step 6: Final answer
    x = 6,016.24

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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.