Home / 9,126.20-13,623.29-8,019.03

Finding the Fourth Proportional to 9,126.20, 13,623.29 and 8,019.03

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Solution

The fourth proportional to 9,126.20, 13,623.29 and 8,019.03 is: 11,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.20 : 13,623.29 = 8,019.03 : x
  2. Step 2: Convert to fraction form
    9,126.20/13,623.29 = 8,019.03/x
  3. Step 3: Cross multiply
    9,126.20x = 13,623.29 × 8,019.03
  4. Step 4: Simplify right side
    9,126.20x = 109,245,571.21
  5. Step 5: Solve for x
    x = 109,245,571.21/9,126.20
  6. Step 6: Final answer
    x = 11,970.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.