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Finding the Fourth Proportional to 12,604.77, 18,902.75 and 3,717.74

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Solution

The fourth proportional to 12,604.77, 18,902.75 and 3,717.74 is: 5,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.77 : 18,902.75 = 3,717.74 : x
  2. Step 2: Convert to fraction form
    12,604.77/18,902.75 = 3,717.74/x
  3. Step 3: Cross multiply
    12,604.77x = 18,902.75 × 3,717.74
  4. Step 4: Simplify right side
    12,604.77x = 70,275,506.53
  5. Step 5: Solve for x
    x = 70,275,506.53/12,604.77
  6. Step 6: Final answer
    x = 5,575.31

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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.