Home / 21,874.57-30,170.79-16,497.23

Finding the Fourth Proportional to 21,874.57, 30,170.79 and 16,497.23

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Solution

The fourth proportional to 21,874.57, 30,170.79 and 16,497.23 is: 22,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874.57 : 30,170.79 = 16,497.23 : x
  2. Step 2: Convert to fraction form
    21,874.57/30,170.79 = 16,497.23/x
  3. Step 3: Cross multiply
    21,874.57x = 30,170.79 × 16,497.23
  4. Step 4: Simplify right side
    21,874.57x = 497,734,461.91
  5. Step 5: Solve for x
    x = 497,734,461.91/21,874.57
  6. Step 6: Final answer
    x = 22,754.02

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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.