Home / 20,497.46-30,801.74-11,144.39

Finding the Fourth Proportional to 20,497.46, 30,801.74 and 11,144.39

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Solution

The fourth proportional to 20,497.46, 30,801.74 and 11,144.39 is: 16,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.46 : 30,801.74 = 11,144.39 : x
  2. Step 2: Convert to fraction form
    20,497.46/30,801.74 = 11,144.39/x
  3. Step 3: Cross multiply
    20,497.46x = 30,801.74 × 11,144.39
  4. Step 4: Simplify right side
    20,497.46x = 343,266,393.51
  5. Step 5: Solve for x
    x = 343,266,393.51/20,497.46
  6. Step 6: Final answer
    x = 16,746.78

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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.