Home / 13,494.67-20,228.14-5,172.43

Finding the Fourth Proportional to 13,494.67, 20,228.14 and 5,172.43

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Solution

The fourth proportional to 13,494.67, 20,228.14 and 5,172.43 is: 7,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.67 : 20,228.14 = 5,172.43 : x
  2. Step 2: Convert to fraction form
    13,494.67/20,228.14 = 5,172.43/x
  3. Step 3: Cross multiply
    13,494.67x = 20,228.14 × 5,172.43
  4. Step 4: Simplify right side
    13,494.67x = 104,628,638.18
  5. Step 5: Solve for x
    x = 104,628,638.18/13,494.67
  6. Step 6: Final answer
    x = 7,753.33

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1.5x scale

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.