Home / 12,137.06-18,204.83-4,239.02

Finding the Fourth Proportional to 12,137.06, 18,204.83 and 4,239.02

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Solution

The fourth proportional to 12,137.06, 18,204.83 and 4,239.02 is: 6,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.06 : 18,204.83 = 4,239.02 : x
  2. Step 2: Convert to fraction form
    12,137.06/18,204.83 = 4,239.02/x
  3. Step 3: Cross multiply
    12,137.06x = 18,204.83 × 4,239.02
  4. Step 4: Simplify right side
    12,137.06x = 77,170,617.27
  5. Step 5: Solve for x
    x = 77,170,617.27/12,137.06
  6. Step 6: Final answer
    x = 6,358.26

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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.