Home / 12,201.39-18,285.66-4,803.86

Finding the Fourth Proportional to 12,201.39, 18,285.66 and 4,803.86

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Solution

The fourth proportional to 12,201.39, 18,285.66 and 4,803.86 is: 7,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.39 : 18,285.66 = 4,803.86 : x
  2. Step 2: Convert to fraction form
    12,201.39/18,285.66 = 4,803.86/x
  3. Step 3: Cross multiply
    12,201.39x = 18,285.66 × 4,803.86
  4. Step 4: Simplify right side
    12,201.39x = 87,841,659.22
  5. Step 5: Solve for x
    x = 87,841,659.22/12,201.39
  6. Step 6: Final answer
    x = 7,199.32

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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.