Home / 12,103.02-18,156.60-5,529.84

Finding the Fourth Proportional to 12,103.02, 18,156.60 and 5,529.84

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Solution

The fourth proportional to 12,103.02, 18,156.60 and 5,529.84 is: 8,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.02 : 18,156.60 = 5,529.84 : x
  2. Step 2: Convert to fraction form
    12,103.02/18,156.60 = 5,529.84/x
  3. Step 3: Cross multiply
    12,103.02x = 18,156.60 × 5,529.84
  4. Step 4: Simplify right side
    12,103.02x = 100,403,092.94
  5. Step 5: Solve for x
    x = 100,403,092.94/12,103.02
  6. Step 6: Final answer
    x = 8,295.71

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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.