Home / 8,650.24-12,969.18-3,381.16

Finding the Fourth Proportional to 8,650.24, 12,969.18 and 3,381.16

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Solution

The fourth proportional to 8,650.24, 12,969.18 and 3,381.16 is: 5,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.24 : 12,969.18 = 3,381.16 : x
  2. Step 2: Convert to fraction form
    8,650.24/12,969.18 = 3,381.16/x
  3. Step 3: Cross multiply
    8,650.24x = 12,969.18 × 3,381.16
  4. Step 4: Simplify right side
    8,650.24x = 43,850,872.65
  5. Step 5: Solve for x
    x = 43,850,872.65/8,650.24
  6. Step 6: Final answer
    x = 5,069.32

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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.