Home / 13,216.96-19,822.20-4,451.68

Finding the Fourth Proportional to 13,216.96, 19,822.20 and 4,451.68

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Solution

The fourth proportional to 13,216.96, 19,822.20 and 4,451.68 is: 6,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.96 : 19,822.20 = 4,451.68 : x
  2. Step 2: Convert to fraction form
    13,216.96/19,822.20 = 4,451.68/x
  3. Step 3: Cross multiply
    13,216.96x = 19,822.20 × 4,451.68
  4. Step 4: Simplify right side
    13,216.96x = 88,242,091.30
  5. Step 5: Solve for x
    x = 88,242,091.30/13,216.96
  6. Step 6: Final answer
    x = 6,676.43

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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.