Home / 9,213.23-12,704.21-6,223.87

Finding the Fourth Proportional to 9,213.23, 12,704.21 and 6,223.87

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Solution

The fourth proportional to 9,213.23, 12,704.21 and 6,223.87 is: 8,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.23 : 12,704.21 = 6,223.87 : x
  2. Step 2: Convert to fraction form
    9,213.23/12,704.21 = 6,223.87/x
  3. Step 3: Cross multiply
    9,213.23x = 12,704.21 × 6,223.87
  4. Step 4: Simplify right side
    9,213.23x = 79,069,351.49
  5. Step 5: Solve for x
    x = 79,069,351.49/9,213.23
  6. Step 6: Final answer
    x = 8,582.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.