Home / 18,460.32-27,709.26-13,515.24

Finding the Fourth Proportional to 18,460.32, 27,709.26 and 13,515.24

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Solution

The fourth proportional to 18,460.32, 27,709.26 and 13,515.24 is: 20,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.32 : 27,709.26 = 13,515.24 : x
  2. Step 2: Convert to fraction form
    18,460.32/27,709.26 = 13,515.24/x
  3. Step 3: Cross multiply
    18,460.32x = 27,709.26 × 13,515.24
  4. Step 4: Simplify right side
    18,460.32x = 374,497,299.12
  5. Step 5: Solve for x
    x = 374,497,299.12/18,460.32
  6. Step 6: Final answer
    x = 20,286.61

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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.