Home / 20,240.94-27,934.60-11,740.52

Finding the Fourth Proportional to 20,240.94, 27,934.60 and 11,740.52

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Solution

The fourth proportional to 20,240.94, 27,934.60 and 11,740.52 is: 16,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.94 : 27,934.60 = 11,740.52 : x
  2. Step 2: Convert to fraction form
    20,240.94/27,934.60 = 11,740.52/x
  3. Step 3: Cross multiply
    20,240.94x = 27,934.60 × 11,740.52
  4. Step 4: Simplify right side
    20,240.94x = 327,966,729.99
  5. Step 5: Solve for x
    x = 327,966,729.99/20,240.94
  6. Step 6: Final answer
    x = 16,203.14

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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.