Home / 12,393.96-18,587.00-4,072.05

Finding the Fourth Proportional to 12,393.96, 18,587.00 and 4,072.05

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Solution

The fourth proportional to 12,393.96, 18,587.00 and 4,072.05 is: 6,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.96 : 18,587.00 = 4,072.05 : x
  2. Step 2: Convert to fraction form
    12,393.96/18,587.00 = 4,072.05/x
  3. Step 3: Cross multiply
    12,393.96x = 18,587.00 × 4,072.05
  4. Step 4: Simplify right side
    12,393.96x = 75,687,172.99
  5. Step 5: Solve for x
    x = 75,687,172.99/12,393.96
  6. Step 6: Final answer
    x = 6,106.78

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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.