Home / 18,037.64-27,012.71-12,475.37

Finding the Fourth Proportional to 18,037.64, 27,012.71 and 12,475.37

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Solution

The fourth proportional to 18,037.64, 27,012.71 and 12,475.37 is: 18,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.64 : 27,012.71 = 12,475.37 : x
  2. Step 2: Convert to fraction form
    18,037.64/27,012.71 = 12,475.37/x
  3. Step 3: Cross multiply
    18,037.64x = 27,012.71 × 12,475.37
  4. Step 4: Simplify right side
    18,037.64x = 336,993,448.08
  5. Step 5: Solve for x
    x = 336,993,448.08/18,037.64
  6. Step 6: Final answer
    x = 18,682.80

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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.