Home / 13,803.32-20,704.97-9,122.22

Finding the Fourth Proportional to 13,803.32, 20,704.97 and 9,122.22

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Solution

The fourth proportional to 13,803.32, 20,704.97 and 9,122.22 is: 13,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.32 : 20,704.97 = 9,122.22 : x
  2. Step 2: Convert to fraction form
    13,803.32/20,704.97 = 9,122.22/x
  3. Step 3: Cross multiply
    13,803.32x = 20,704.97 × 9,122.22
  4. Step 4: Simplify right side
    13,803.32x = 188,875,391.88
  5. Step 5: Solve for x
    x = 188,875,391.88/13,803.32
  6. Step 6: Final answer
    x = 13,683.34

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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.