Home / 13,371.50-18,411.46-11,876.82

Finding the Fourth Proportional to 13,371.50, 18,411.46 and 11,876.82

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Solution

The fourth proportional to 13,371.50, 18,411.46 and 11,876.82 is: 16,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.50 : 18,411.46 = 11,876.82 : x
  2. Step 2: Convert to fraction form
    13,371.50/18,411.46 = 11,876.82/x
  3. Step 3: Cross multiply
    13,371.50x = 18,411.46 × 11,876.82
  4. Step 4: Simplify right side
    13,371.50x = 218,669,596.36
  5. Step 5: Solve for x
    x = 218,669,596.36/13,371.50
  6. Step 6: Final answer
    x = 16,353.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.