Home / 20,498.56-30,797.04-13,117.44

Finding the Fourth Proportional to 20,498.56, 30,797.04 and 13,117.44

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Solution

The fourth proportional to 20,498.56, 30,797.04 and 13,117.44 is: 19,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.56 : 30,797.04 = 13,117.44 : x
  2. Step 2: Convert to fraction form
    20,498.56/30,797.04 = 13,117.44/x
  3. Step 3: Cross multiply
    20,498.56x = 30,797.04 × 13,117.44
  4. Step 4: Simplify right side
    20,498.56x = 403,978,324.38
  5. Step 5: Solve for x
    x = 403,978,324.38/20,498.56
  6. Step 6: Final answer
    x = 19,707.64

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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.