Home / 19,469.36-29,167.11-11,555.15

Finding the Fourth Proportional to 19,469.36, 29,167.11 and 11,555.15

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Solution

The fourth proportional to 19,469.36, 29,167.11 and 11,555.15 is: 17,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.36 : 29,167.11 = 11,555.15 : x
  2. Step 2: Convert to fraction form
    19,469.36/29,167.11 = 11,555.15/x
  3. Step 3: Cross multiply
    19,469.36x = 29,167.11 × 11,555.15
  4. Step 4: Simplify right side
    19,469.36x = 337,030,331.12
  5. Step 5: Solve for x
    x = 337,030,331.12/19,469.36
  6. Step 6: Final answer
    x = 17,310.81

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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.