Home / 12,469.84-18,707.64-3,704.56

Finding the Fourth Proportional to 12,469.84, 18,707.64 and 3,704.56

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Solution

The fourth proportional to 12,469.84, 18,707.64 and 3,704.56 is: 5,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.84 : 18,707.64 = 3,704.56 : x
  2. Step 2: Convert to fraction form
    12,469.84/18,707.64 = 3,704.56/x
  3. Step 3: Cross multiply
    12,469.84x = 18,707.64 × 3,704.56
  4. Step 4: Simplify right side
    12,469.84x = 69,303,574.84
  5. Step 5: Solve for x
    x = 69,303,574.84/12,469.84
  6. Step 6: Final answer
    x = 5,557.70

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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.