Home / 20,239.92-30,361.32-7,095.60

Finding the Fourth Proportional to 20,239.92, 30,361.32 and 7,095.60

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Solution

The fourth proportional to 20,239.92, 30,361.32 and 7,095.60 is: 10,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.92 : 30,361.32 = 7,095.60 : x
  2. Step 2: Convert to fraction form
    20,239.92/30,361.32 = 7,095.60/x
  3. Step 3: Cross multiply
    20,239.92x = 30,361.32 × 7,095.60
  4. Step 4: Simplify right side
    20,239.92x = 215,431,782.19
  5. Step 5: Solve for x
    x = 215,431,782.19/20,239.92
  6. Step 6: Final answer
    x = 10,643.90

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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.