Home / 12,229.02-18,343.35-3,908.94

Finding the Fourth Proportional to 12,229.02, 18,343.35 and 3,908.94

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Solution

The fourth proportional to 12,229.02, 18,343.35 and 3,908.94 is: 5,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.02 : 18,343.35 = 3,908.94 : x
  2. Step 2: Convert to fraction form
    12,229.02/18,343.35 = 3,908.94/x
  3. Step 3: Cross multiply
    12,229.02x = 18,343.35 × 3,908.94
  4. Step 4: Simplify right side
    12,229.02x = 71,703,054.55
  5. Step 5: Solve for x
    x = 71,703,054.55/12,229.02
  6. Step 6: Final answer
    x = 5,863.35

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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.