Home / 12,581.27-18,845.03-9,586.43

Finding the Fourth Proportional to 12,581.27, 18,845.03 and 9,586.43

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Solution

The fourth proportional to 12,581.27, 18,845.03 and 9,586.43 is: 14,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.27 : 18,845.03 = 9,586.43 : x
  2. Step 2: Convert to fraction form
    12,581.27/18,845.03 = 9,586.43/x
  3. Step 3: Cross multiply
    12,581.27x = 18,845.03 × 9,586.43
  4. Step 4: Simplify right side
    12,581.27x = 180,656,466.72
  5. Step 5: Solve for x
    x = 180,656,466.72/12,581.27
  6. Step 6: Final answer
    x = 14,359.17

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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.