Home / 12,529.32-17,292.06-11,479.56

Finding the Fourth Proportional to 12,529.32, 17,292.06 and 11,479.56

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Solution

The fourth proportional to 12,529.32, 17,292.06 and 11,479.56 is: 15,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.32 : 17,292.06 = 11,479.56 : x
  2. Step 2: Convert to fraction form
    12,529.32/17,292.06 = 11,479.56/x
  3. Step 3: Cross multiply
    12,529.32x = 17,292.06 × 11,479.56
  4. Step 4: Simplify right side
    12,529.32x = 198,505,240.29
  5. Step 5: Solve for x
    x = 198,505,240.29/12,529.32
  6. Step 6: Final answer
    x = 15,843.26

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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.