Home / 12,634.84-18,950.76-3,875.80

Finding the Fourth Proportional to 12,634.84, 18,950.76 and 3,875.80

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Solution

The fourth proportional to 12,634.84, 18,950.76 and 3,875.80 is: 5,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.84 : 18,950.76 = 3,875.80 : x
  2. Step 2: Convert to fraction form
    12,634.84/18,950.76 = 3,875.80/x
  3. Step 3: Cross multiply
    12,634.84x = 18,950.76 × 3,875.80
  4. Step 4: Simplify right side
    12,634.84x = 73,449,355.61
  5. Step 5: Solve for x
    x = 73,449,355.61/12,634.84
  6. Step 6: Final answer
    x = 5,813.24

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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.