Home / 22,127.64-30,534.30-12,694.20

Finding the Fourth Proportional to 22,127.64, 30,534.30 and 12,694.20

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Solution

The fourth proportional to 22,127.64, 30,534.30 and 12,694.20 is: 17,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.64 : 30,534.30 = 12,694.20 : x
  2. Step 2: Convert to fraction form
    22,127.64/30,534.30 = 12,694.20/x
  3. Step 3: Cross multiply
    22,127.64x = 30,534.30 × 12,694.20
  4. Step 4: Simplify right side
    22,127.64x = 387,608,511.06
  5. Step 5: Solve for x
    x = 387,608,511.06/22,127.64
  6. Step 6: Final answer
    x = 17,516.94

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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.