Home / 13,581.09-20,324.66-9,392.99

Finding the Fourth Proportional to 13,581.09, 20,324.66 and 9,392.99

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Solution

The fourth proportional to 13,581.09, 20,324.66 and 9,392.99 is: 14,056.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581.09 : 20,324.66 = 9,392.99 : x
  2. Step 2: Convert to fraction form
    13,581.09/20,324.66 = 9,392.99/x
  3. Step 3: Cross multiply
    13,581.09x = 20,324.66 × 9,392.99
  4. Step 4: Simplify right side
    13,581.09x = 190,909,179.55
  5. Step 5: Solve for x
    x = 190,909,179.55/13,581.09
  6. Step 6: Final answer
    x = 14,056.99

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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.