Home / 21,923.62-30,260.08-12,497.66

Finding the Fourth Proportional to 21,923.62, 30,260.08 and 12,497.66

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Solution

The fourth proportional to 21,923.62, 30,260.08 and 12,497.66 is: 17,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.62 : 30,260.08 = 12,497.66 : x
  2. Step 2: Convert to fraction form
    21,923.62/30,260.08 = 12,497.66/x
  3. Step 3: Cross multiply
    21,923.62x = 30,260.08 × 12,497.66
  4. Step 4: Simplify right side
    21,923.62x = 378,180,191.41
  5. Step 5: Solve for x
    x = 378,180,191.41/21,923.62
  6. Step 6: Final answer
    x = 17,249.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.