Home / 13,350.50-20,026.84-4,116.50

Finding the Fourth Proportional to 13,350.50, 20,026.84 and 4,116.50

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Solution

The fourth proportional to 13,350.50, 20,026.84 and 4,116.50 is: 6,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.50 : 20,026.84 = 4,116.50 : x
  2. Step 2: Convert to fraction form
    13,350.50/20,026.84 = 4,116.50/x
  3. Step 3: Cross multiply
    13,350.50x = 20,026.84 × 4,116.50
  4. Step 4: Simplify right side
    13,350.50x = 82,440,486.86
  5. Step 5: Solve for x
    x = 82,440,486.86/13,350.50
  6. Step 6: Final answer
    x = 6,175.09

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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.