Home / 22,815.86-34,221.15-6,174.90

Finding the Fourth Proportional to 22,815.86, 34,221.15 and 6,174.90

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Solution

The fourth proportional to 22,815.86, 34,221.15 and 6,174.90 is: 9,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.86 : 34,221.15 = 6,174.90 : x
  2. Step 2: Convert to fraction form
    22,815.86/34,221.15 = 6,174.90/x
  3. Step 3: Cross multiply
    22,815.86x = 34,221.15 × 6,174.90
  4. Step 4: Simplify right side
    22,815.86x = 211,312,179.14
  5. Step 5: Solve for x
    x = 211,312,179.14/22,815.86
  6. Step 6: Final answer
    x = 9,261.64

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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.