Home / 11,623.26-17,420.30-5,769.40

Finding the Fourth Proportional to 11,623.26, 17,420.30 and 5,769.40

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Solution

The fourth proportional to 11,623.26, 17,420.30 and 5,769.40 is: 8,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.26 : 17,420.30 = 5,769.40 : x
  2. Step 2: Convert to fraction form
    11,623.26/17,420.30 = 5,769.40/x
  3. Step 3: Cross multiply
    11,623.26x = 17,420.30 × 5,769.40
  4. Step 4: Simplify right side
    11,623.26x = 100,504,678.82
  5. Step 5: Solve for x
    x = 100,504,678.82/11,623.26
  6. Step 6: Final answer
    x = 8,646.86

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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.