Home / 11,406.01-17,109.62-3,615.43

Finding the Fourth Proportional to 11,406.01, 17,109.62 and 3,615.43

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Solution

The fourth proportional to 11,406.01, 17,109.62 and 3,615.43 is: 5,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.01 : 17,109.62 = 3,615.43 : x
  2. Step 2: Convert to fraction form
    11,406.01/17,109.62 = 3,615.43/x
  3. Step 3: Cross multiply
    11,406.01x = 17,109.62 × 3,615.43
  4. Step 4: Simplify right side
    11,406.01x = 61,858,633.44
  5. Step 5: Solve for x
    x = 61,858,633.44/11,406.01
  6. Step 6: Final answer
    x = 5,423.34

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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.