Home / 20,119.68-30,185.28-9,737.28

Finding the Fourth Proportional to 20,119.68, 30,185.28 and 9,737.28

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Solution

The fourth proportional to 20,119.68, 30,185.28 and 9,737.28 is: 14,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.68 : 30,185.28 = 9,737.28 : x
  2. Step 2: Convert to fraction form
    20,119.68/30,185.28 = 9,737.28/x
  3. Step 3: Cross multiply
    20,119.68x = 30,185.28 × 9,737.28
  4. Step 4: Simplify right side
    20,119.68x = 293,922,523.24
  5. Step 5: Solve for x
    x = 293,922,523.24/20,119.68
  6. Step 6: Final answer
    x = 14,608.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.