Home / 12,674.97-19,014.99-3,909.57

Finding the Fourth Proportional to 12,674.97, 19,014.99 and 3,909.57

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Solution

The fourth proportional to 12,674.97, 19,014.99 and 3,909.57 is: 5,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.97 : 19,014.99 = 3,909.57 : x
  2. Step 2: Convert to fraction form
    12,674.97/19,014.99 = 3,909.57/x
  3. Step 3: Cross multiply
    12,674.97x = 19,014.99 × 3,909.57
  4. Step 4: Simplify right side
    12,674.97x = 74,340,434.45
  5. Step 5: Solve for x
    x = 74,340,434.45/12,674.97
  6. Step 6: Final answer
    x = 5,865.14

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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.