Home / 20,153.94-30,236.34-7,007.04

Finding the Fourth Proportional to 20,153.94, 30,236.34 and 7,007.04

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Solution

The fourth proportional to 20,153.94, 30,236.34 and 7,007.04 is: 10,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.94 : 30,236.34 = 7,007.04 : x
  2. Step 2: Convert to fraction form
    20,153.94/30,236.34 = 7,007.04/x
  3. Step 3: Cross multiply
    20,153.94x = 30,236.34 × 7,007.04
  4. Step 4: Simplify right side
    20,153.94x = 211,867,243.83
  5. Step 5: Solve for x
    x = 211,867,243.83/20,153.94
  6. Step 6: Final answer
    x = 10,512.45

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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.