Home / 19,396.90-29,091.60-5,353.42

Finding the Fourth Proportional to 19,396.90, 29,091.60 and 5,353.42

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Solution

The fourth proportional to 19,396.90, 29,091.60 and 5,353.42 is: 8,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.90 : 29,091.60 = 5,353.42 : x
  2. Step 2: Convert to fraction form
    19,396.90/29,091.60 = 5,353.42/x
  3. Step 3: Cross multiply
    19,396.90x = 29,091.60 × 5,353.42
  4. Step 4: Simplify right side
    19,396.90x = 155,739,553.27
  5. Step 5: Solve for x
    x = 155,739,553.27/19,396.90
  6. Step 6: Final answer
    x = 8,029.10

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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.