Home / 12,948.50-19,422.67-3,331.36

Finding the Fourth Proportional to 12,948.50, 19,422.67 and 3,331.36

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Solution

The fourth proportional to 12,948.50, 19,422.67 and 3,331.36 is: 4,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.50 : 19,422.67 = 3,331.36 : x
  2. Step 2: Convert to fraction form
    12,948.50/19,422.67 = 3,331.36/x
  3. Step 3: Cross multiply
    12,948.50x = 19,422.67 × 3,331.36
  4. Step 4: Simplify right side
    12,948.50x = 64,703,905.93
  5. Step 5: Solve for x
    x = 64,703,905.93/12,948.50
  6. Step 6: Final answer
    x = 4,997.02

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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.