Home / 8,447.36-12,673.20-3,515.36

Finding the Fourth Proportional to 8,447.36, 12,673.20 and 3,515.36

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Solution

The fourth proportional to 8,447.36, 12,673.20 and 3,515.36 is: 5,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.36 : 12,673.20 = 3,515.36 : x
  2. Step 2: Convert to fraction form
    8,447.36/12,673.20 = 3,515.36/x
  3. Step 3: Cross multiply
    8,447.36x = 12,673.20 × 3,515.36
  4. Step 4: Simplify right side
    8,447.36x = 44,550,860.35
  5. Step 5: Solve for x
    x = 44,550,860.35/8,447.36
  6. Step 6: Final answer
    x = 5,273.94

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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.