Home / 12,192.83-18,289.87-3,873.49

Finding the Fourth Proportional to 12,192.83, 18,289.87 and 3,873.49

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Solution

The fourth proportional to 12,192.83, 18,289.87 and 3,873.49 is: 5,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.83 : 18,289.87 = 3,873.49 : x
  2. Step 2: Convert to fraction form
    12,192.83/18,289.87 = 3,873.49/x
  3. Step 3: Cross multiply
    12,192.83x = 18,289.87 × 3,873.49
  4. Step 4: Simplify right side
    12,192.83x = 70,845,628.55
  5. Step 5: Solve for x
    x = 70,845,628.55/12,192.83
  6. Step 6: Final answer
    x = 5,810.44

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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.