Home / 19,847.25-29,771.10-6,520.05

Finding the Fourth Proportional to 19,847.25, 29,771.10 and 6,520.05

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Solution

The fourth proportional to 19,847.25, 29,771.10 and 6,520.05 is: 9,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.25 : 29,771.10 = 6,520.05 : x
  2. Step 2: Convert to fraction form
    19,847.25/29,771.10 = 6,520.05/x
  3. Step 3: Cross multiply
    19,847.25x = 29,771.10 × 6,520.05
  4. Step 4: Simplify right side
    19,847.25x = 194,109,060.56
  5. Step 5: Solve for x
    x = 194,109,060.56/19,847.25
  6. Step 6: Final answer
    x = 9,780.15

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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.