Home / 19,590.75-29,372.76-6,441.21

Finding the Fourth Proportional to 19,590.75, 29,372.76 and 6,441.21

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Solution

The fourth proportional to 19,590.75, 29,372.76 and 6,441.21 is: 9,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.75 : 29,372.76 = 6,441.21 : x
  2. Step 2: Convert to fraction form
    19,590.75/29,372.76 = 6,441.21/x
  3. Step 3: Cross multiply
    19,590.75x = 29,372.76 × 6,441.21
  4. Step 4: Simplify right side
    19,590.75x = 189,196,115.44
  5. Step 5: Solve for x
    x = 189,196,115.44/19,590.75
  6. Step 6: Final answer
    x = 9,657.42

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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.