Home / 13,462.15-20,194.60-5,149.17

Finding the Fourth Proportional to 13,462.15, 20,194.60 and 5,149.17

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Solution

The fourth proportional to 13,462.15, 20,194.60 and 5,149.17 is: 7,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.15 : 20,194.60 = 5,149.17 : x
  2. Step 2: Convert to fraction form
    13,462.15/20,194.60 = 5,149.17/x
  3. Step 3: Cross multiply
    13,462.15x = 20,194.60 × 5,149.17
  4. Step 4: Simplify right side
    13,462.15x = 103,985,428.48
  5. Step 5: Solve for x
    x = 103,985,428.48/13,462.15
  6. Step 6: Final answer
    x = 7,724.28

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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.