Home / 12,043.02-18,035.13-8,334.78

Finding the Fourth Proportional to 12,043.02, 18,035.13 and 8,334.78

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Solution

The fourth proportional to 12,043.02, 18,035.13 and 8,334.78 is: 12,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.02 : 18,035.13 = 8,334.78 : x
  2. Step 2: Convert to fraction form
    12,043.02/18,035.13 = 8,334.78/x
  3. Step 3: Cross multiply
    12,043.02x = 18,035.13 × 8,334.78
  4. Step 4: Simplify right side
    12,043.02x = 150,318,840.82
  5. Step 5: Solve for x
    x = 150,318,840.82/12,043.02
  6. Step 6: Final answer
    x = 12,481.82

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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.