Home / 20,293.44-30,417.76-13,270.56

Finding the Fourth Proportional to 20,293.44, 30,417.76 and 13,270.56

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Solution

The fourth proportional to 20,293.44, 30,417.76 and 13,270.56 is: 19,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.44 : 30,417.76 = 13,270.56 : x
  2. Step 2: Convert to fraction form
    20,293.44/30,417.76 = 13,270.56/x
  3. Step 3: Cross multiply
    20,293.44x = 30,417.76 × 13,270.56
  4. Step 4: Simplify right side
    20,293.44x = 403,660,709.15
  5. Step 5: Solve for x
    x = 403,660,709.15/20,293.44
  6. Step 6: Final answer
    x = 19,891.19

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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.