Home / 12,476.50-18,717.84-3,711.39

Finding the Fourth Proportional to 12,476.50, 18,717.84 and 3,711.39

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Solution

The fourth proportional to 12,476.50, 18,717.84 and 3,711.39 is: 5,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.50 : 18,717.84 = 3,711.39 : x
  2. Step 2: Convert to fraction form
    12,476.50/18,717.84 = 3,711.39/x
  3. Step 3: Cross multiply
    12,476.50x = 18,717.84 × 3,711.39
  4. Step 4: Simplify right side
    12,476.50x = 69,469,204.20
  5. Step 5: Solve for x
    x = 69,469,204.20/12,476.50
  6. Step 6: Final answer
    x = 5,568.00

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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.