Home / 12,137.24-18,208-5,021.46

Finding the Fourth Proportional to 12,137.24, 18,208 and 5,021.46

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Solution

The fourth proportional to 12,137.24, 18,208 and 5,021.46 is: 7,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.24 : 18,208 = 5,021.46 : x
  2. Step 2: Convert to fraction form
    12,137.24/18,208 = 5,021.46/x
  3. Step 3: Cross multiply
    12,137.24x = 18,208 × 5,021.46
  4. Step 4: Simplify right side
    12,137.24x = 91,430,743.68
  5. Step 5: Solve for x
    x = 91,430,743.68/12,137.24
  6. Step 6: Final answer
    x = 7,533.08

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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.