Home / 13,606.89-20,397.99-4,839.75

Finding the Fourth Proportional to 13,606.89, 20,397.99 and 4,839.75

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Solution

The fourth proportional to 13,606.89, 20,397.99 and 4,839.75 is: 7,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.89 : 20,397.99 = 4,839.75 : x
  2. Step 2: Convert to fraction form
    13,606.89/20,397.99 = 4,839.75/x
  3. Step 3: Cross multiply
    13,606.89x = 20,397.99 × 4,839.75
  4. Step 4: Simplify right side
    13,606.89x = 98,721,172.10
  5. Step 5: Solve for x
    x = 98,721,172.10/13,606.89
  6. Step 6: Final answer
    x = 7,255.23

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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.