Home / 12,495.96-18,742.70-3,261.96

Finding the Fourth Proportional to 12,495.96, 18,742.70 and 3,261.96

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Solution

The fourth proportional to 12,495.96, 18,742.70 and 3,261.96 is: 4,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.96 : 18,742.70 = 3,261.96 : x
  2. Step 2: Convert to fraction form
    12,495.96/18,742.70 = 3,261.96/x
  3. Step 3: Cross multiply
    12,495.96x = 18,742.70 × 3,261.96
  4. Step 4: Simplify right side
    12,495.96x = 61,137,937.69
  5. Step 5: Solve for x
    x = 61,137,937.69/12,495.96
  6. Step 6: Final answer
    x = 4,892.62

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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.