Home / 38,506.21-57,761.37-12,213

Finding the Fourth Proportional to 38,506.21, 57,761.37 and 12,213

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Solution

The fourth proportional to 38,506.21, 57,761.37 and 12,213 is: 18,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,506.21 : 57,761.37 = 12,213 : x
  2. Step 2: Convert to fraction form
    38,506.21/57,761.37 = 12,213/x
  3. Step 3: Cross multiply
    38,506.21x = 57,761.37 × 12,213
  4. Step 4: Simplify right side
    38,506.21x = 705,439,611.81
  5. Step 5: Solve for x
    x = 705,439,611.81/38,506.21
  6. Step 6: Final answer
    x = 18,320.15

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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.