Home / 17,145.24-23,644.62-13,166.52

Finding the Fourth Proportional to 17,145.24, 23,644.62 and 13,166.52

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Solution

The fourth proportional to 17,145.24, 23,644.62 and 13,166.52 is: 18,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.24 : 23,644.62 = 13,166.52 : x
  2. Step 2: Convert to fraction form
    17,145.24/23,644.62 = 13,166.52/x
  3. Step 3: Cross multiply
    17,145.24x = 23,644.62 × 13,166.52
  4. Step 4: Simplify right side
    17,145.24x = 311,317,362.12
  5. Step 5: Solve for x
    x = 311,317,362.12/17,145.24
  6. Step 6: Final answer
    x = 18,157.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.