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Finding the Fourth Proportional to 12,662.71, 18,994.07 and 3,302.70

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Solution

The fourth proportional to 12,662.71, 18,994.07 and 3,302.70 is: 4,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662.71 : 18,994.07 = 3,302.70 : x
  2. Step 2: Convert to fraction form
    12,662.71/18,994.07 = 3,302.70/x
  3. Step 3: Cross multiply
    12,662.71x = 18,994.07 × 3,302.70
  4. Step 4: Simplify right side
    12,662.71x = 62,731,710.86
  5. Step 5: Solve for x
    x = 62,731,710.86/12,662.71
  6. Step 6: Final answer
    x = 4,954.05

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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.