Home / 20,074.37-27,700.34-11,119.61

Finding the Fourth Proportional to 20,074.37, 27,700.34 and 11,119.61

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Solution

The fourth proportional to 20,074.37, 27,700.34 and 11,119.61 is: 15,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.37 : 27,700.34 = 11,119.61 : x
  2. Step 2: Convert to fraction form
    20,074.37/27,700.34 = 11,119.61/x
  3. Step 3: Cross multiply
    20,074.37x = 27,700.34 × 11,119.61
  4. Step 4: Simplify right side
    20,074.37x = 308,016,783.57
  5. Step 5: Solve for x
    x = 308,016,783.57/20,074.37
  6. Step 6: Final answer
    x = 15,343.79

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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.