Home / 8,166.24-12,234.72-5,389.44

Finding the Fourth Proportional to 8,166.24, 12,234.72 and 5,389.44

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Solution

The fourth proportional to 8,166.24, 12,234.72 and 5,389.44 is: 8,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.24 : 12,234.72 = 5,389.44 : x
  2. Step 2: Convert to fraction form
    8,166.24/12,234.72 = 5,389.44/x
  3. Step 3: Cross multiply
    8,166.24x = 12,234.72 × 5,389.44
  4. Step 4: Simplify right side
    8,166.24x = 65,938,289.36
  5. Step 5: Solve for x
    x = 65,938,289.36/8,166.24
  6. Step 6: Final answer
    x = 8,074.50

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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.