Home / 13,190.14-19,785.22-4,425.03

Finding the Fourth Proportional to 13,190.14, 19,785.22 and 4,425.03

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Solution

The fourth proportional to 13,190.14, 19,785.22 and 4,425.03 is: 6,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.14 : 19,785.22 = 4,425.03 : x
  2. Step 2: Convert to fraction form
    13,190.14/19,785.22 = 4,425.03/x
  3. Step 3: Cross multiply
    13,190.14x = 19,785.22 × 4,425.03
  4. Step 4: Simplify right side
    13,190.14x = 87,550,180.99
  5. Step 5: Solve for x
    x = 87,550,180.99/13,190.14
  6. Step 6: Final answer
    x = 6,637.55

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Double scale
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Similar ratio
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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.