Home / 13,078.22-19,617.32-3,217.68

Finding the Fourth Proportional to 13,078.22, 19,617.32 and 3,217.68

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Solution

The fourth proportional to 13,078.22, 19,617.32 and 3,217.68 is: 4,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.22 : 19,617.32 = 3,217.68 : x
  2. Step 2: Convert to fraction form
    13,078.22/19,617.32 = 3,217.68/x
  3. Step 3: Cross multiply
    13,078.22x = 19,617.32 × 3,217.68
  4. Step 4: Simplify right side
    13,078.22x = 63,122,266.26
  5. Step 5: Solve for x
    x = 63,122,266.26/13,078.22
  6. Step 6: Final answer
    x = 4,826.52

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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.