Home / 20,074.35-27,700.32-11,119.62

Finding the Fourth Proportional to 20,074.35, 27,700.32 and 11,119.62

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Solution

The fourth proportional to 20,074.35, 27,700.32 and 11,119.62 is: 15,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.35 : 27,700.32 = 11,119.62 : x
  2. Step 2: Convert to fraction form
    20,074.35/27,700.32 = 11,119.62/x
  3. Step 3: Cross multiply
    20,074.35x = 27,700.32 × 11,119.62
  4. Step 4: Simplify right side
    20,074.35x = 308,017,032.28
  5. Step 5: Solve for x
    x = 308,017,032.28/20,074.35
  6. Step 6: Final answer
    x = 15,343.81

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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.