Home / 19,399.62-29,091.18-6,922.80

Finding the Fourth Proportional to 19,399.62, 29,091.18 and 6,922.80

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Solution

The fourth proportional to 19,399.62, 29,091.18 and 6,922.80 is: 10,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.62 : 29,091.18 = 6,922.80 : x
  2. Step 2: Convert to fraction form
    19,399.62/29,091.18 = 6,922.80/x
  3. Step 3: Cross multiply
    19,399.62x = 29,091.18 × 6,922.80
  4. Step 4: Simplify right side
    19,399.62x = 201,392,420.90
  5. Step 5: Solve for x
    x = 201,392,420.90/19,399.62
  6. Step 6: Final answer
    x = 10,381.26

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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.