Home / 12,440.24-17,166.26-7,659.42

Finding the Fourth Proportional to 12,440.24, 17,166.26 and 7,659.42

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Solution

The fourth proportional to 12,440.24, 17,166.26 and 7,659.42 is: 10,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.24 : 17,166.26 = 7,659.42 : x
  2. Step 2: Convert to fraction form
    12,440.24/17,166.26 = 7,659.42/x
  3. Step 3: Cross multiply
    12,440.24x = 17,166.26 × 7,659.42
  4. Step 4: Simplify right side
    12,440.24x = 131,483,556.87
  5. Step 5: Solve for x
    x = 131,483,556.87/12,440.24
  6. Step 6: Final answer
    x = 10,569.22

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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.