Home / 13,090.05-19,636.70-4,205.97

Finding the Fourth Proportional to 13,090.05, 19,636.70 and 4,205.97

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Solution

The fourth proportional to 13,090.05, 19,636.70 and 4,205.97 is: 6,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.05 : 19,636.70 = 4,205.97 : x
  2. Step 2: Convert to fraction form
    13,090.05/19,636.70 = 4,205.97/x
  3. Step 3: Cross multiply
    13,090.05x = 19,636.70 × 4,205.97
  4. Step 4: Simplify right side
    13,090.05x = 82,591,350.07
  5. Step 5: Solve for x
    x = 82,591,350.07/13,090.05
  6. Step 6: Final answer
    x = 6,309.48

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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.