Home / 12,650.24-17,465.46-8,180.84

Finding the Fourth Proportional to 12,650.24, 17,465.46 and 8,180.84

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Solution

The fourth proportional to 12,650.24, 17,465.46 and 8,180.84 is: 11,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.24 : 17,465.46 = 8,180.84 : x
  2. Step 2: Convert to fraction form
    12,650.24/17,465.46 = 8,180.84/x
  3. Step 3: Cross multiply
    12,650.24x = 17,465.46 × 8,180.84
  4. Step 4: Simplify right side
    12,650.24x = 142,882,133.79
  5. Step 5: Solve for x
    x = 142,882,133.79/12,650.24
  6. Step 6: Final answer
    x = 11,294.82

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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.