Home / 13,210.23-19,816.38-3,850.39

Finding the Fourth Proportional to 13,210.23, 19,816.38 and 3,850.39

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Solution

The fourth proportional to 13,210.23, 19,816.38 and 3,850.39 is: 5,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.23 : 19,816.38 = 3,850.39 : x
  2. Step 2: Convert to fraction form
    13,210.23/19,816.38 = 3,850.39/x
  3. Step 3: Cross multiply
    13,210.23x = 19,816.38 × 3,850.39
  4. Step 4: Simplify right side
    13,210.23x = 76,300,791.39
  5. Step 5: Solve for x
    x = 76,300,791.39/13,210.23
  6. Step 6: Final answer
    x = 5,775.89

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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.