Home / 20,092.60-27,727.74-11,139.87

Finding the Fourth Proportional to 20,092.60, 27,727.74 and 11,139.87

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Solution

The fourth proportional to 20,092.60, 27,727.74 and 11,139.87 is: 15,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.60 : 27,727.74 = 11,139.87 : x
  2. Step 2: Convert to fraction form
    20,092.60/27,727.74 = 11,139.87/x
  3. Step 3: Cross multiply
    20,092.60x = 27,727.74 × 11,139.87
  4. Step 4: Simplify right side
    20,092.60x = 308,883,418.99
  5. Step 5: Solve for x
    x = 308,883,418.99/20,092.60
  6. Step 6: Final answer
    x = 15,373.00

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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.