Home / 12,236.03-18,345.05-3,911.24

Finding the Fourth Proportional to 12,236.03, 18,345.05 and 3,911.24

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Solution

The fourth proportional to 12,236.03, 18,345.05 and 3,911.24 is: 5,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.03 : 18,345.05 = 3,911.24 : x
  2. Step 2: Convert to fraction form
    12,236.03/18,345.05 = 3,911.24/x
  3. Step 3: Cross multiply
    12,236.03x = 18,345.05 × 3,911.24
  4. Step 4: Simplify right side
    12,236.03x = 71,751,782.08
  5. Step 5: Solve for x
    x = 71,751,782.08/12,236.03
  6. Step 6: Final answer
    x = 5,863.98

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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.