Home / 13,906.46-19,190.60-7,532.80

Finding the Fourth Proportional to 13,906.46, 19,190.60 and 7,532.80

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Solution

The fourth proportional to 13,906.46, 19,190.60 and 7,532.80 is: 10,395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.46 : 19,190.60 = 7,532.80 : x
  2. Step 2: Convert to fraction form
    13,906.46/19,190.60 = 7,532.80/x
  3. Step 3: Cross multiply
    13,906.46x = 19,190.60 × 7,532.80
  4. Step 4: Simplify right side
    13,906.46x = 144,558,951.68
  5. Step 5: Solve for x
    x = 144,558,951.68/13,906.46
  6. Step 6: Final answer
    x = 10,395.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.