Home / 20,253.38-27,941.00-12,694.55

Finding the Fourth Proportional to 20,253.38, 27,941.00 and 12,694.55

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Solution

The fourth proportional to 20,253.38, 27,941.00 and 12,694.55 is: 17,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.38 : 27,941.00 = 12,694.55 : x
  2. Step 2: Convert to fraction form
    20,253.38/27,941.00 = 12,694.55/x
  3. Step 3: Cross multiply
    20,253.38x = 27,941.00 × 12,694.55
  4. Step 4: Simplify right side
    20,253.38x = 354,698,218.37
  5. Step 5: Solve for x
    x = 354,698,218.37/20,253.38
  6. Step 6: Final answer
    x = 17,513.04

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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.