Home / 14,493.38-20,000.93-8,205.75

Finding the Fourth Proportional to 14,493.38, 20,000.93 and 8,205.75

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Solution

The fourth proportional to 14,493.38, 20,000.93 and 8,205.75 is: 11,323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.38 : 20,000.93 = 8,205.75 : x
  2. Step 2: Convert to fraction form
    14,493.38/20,000.93 = 8,205.75/x
  3. Step 3: Cross multiply
    14,493.38x = 20,000.93 × 8,205.75
  4. Step 4: Simplify right side
    14,493.38x = 164,122,590.32
  5. Step 5: Solve for x
    x = 164,122,590.32/14,493.38
  6. Step 6: Final answer
    x = 11,323.97

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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.