Home / 11,405.57-17,108.23-3,614.38

Finding the Fourth Proportional to 11,405.57, 17,108.23 and 3,614.38

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Solution

The fourth proportional to 11,405.57, 17,108.23 and 3,614.38 is: 5,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.57 : 17,108.23 = 3,614.38 : x
  2. Step 2: Convert to fraction form
    11,405.57/17,108.23 = 3,614.38/x
  3. Step 3: Cross multiply
    11,405.57x = 17,108.23 × 3,614.38
  4. Step 4: Simplify right side
    11,405.57x = 61,835,644.35
  5. Step 5: Solve for x
    x = 61,835,644.35/11,405.57
  6. Step 6: Final answer
    x = 5,421.53

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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.