Home / 13,010.43-19,517.67-4,243.32

Finding the Fourth Proportional to 13,010.43, 19,517.67 and 4,243.32

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Solution

The fourth proportional to 13,010.43, 19,517.67 and 4,243.32 is: 6,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.43 : 19,517.67 = 4,243.32 : x
  2. Step 2: Convert to fraction form
    13,010.43/19,517.67 = 4,243.32/x
  3. Step 3: Cross multiply
    13,010.43x = 19,517.67 × 4,243.32
  4. Step 4: Simplify right side
    13,010.43x = 82,819,719.46
  5. Step 5: Solve for x
    x = 82,819,719.46/13,010.43
  6. Step 6: Final answer
    x = 6,365.64

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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.