Home / 14,477.22-19,979.34-8,103.42

Finding the Fourth Proportional to 14,477.22, 19,979.34 and 8,103.42

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Solution

The fourth proportional to 14,477.22, 19,979.34 and 8,103.42 is: 11,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.22 : 19,979.34 = 8,103.42 : x
  2. Step 2: Convert to fraction form
    14,477.22/19,979.34 = 8,103.42/x
  3. Step 3: Cross multiply
    14,477.22x = 19,979.34 × 8,103.42
  4. Step 4: Simplify right side
    14,477.22x = 161,900,983.34
  5. Step 5: Solve for x
    x = 161,900,983.34/14,477.22
  6. Step 6: Final answer
    x = 11,183.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.