Home / 13,198.94-18,214.77-9,008.54

Finding the Fourth Proportional to 13,198.94, 18,214.77 and 9,008.54

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Solution

The fourth proportional to 13,198.94, 18,214.77 and 9,008.54 is: 12,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.94 : 18,214.77 = 9,008.54 : x
  2. Step 2: Convert to fraction form
    13,198.94/18,214.77 = 9,008.54/x
  3. Step 3: Cross multiply
    13,198.94x = 18,214.77 × 9,008.54
  4. Step 4: Simplify right side
    13,198.94x = 164,088,484.14
  5. Step 5: Solve for x
    x = 164,088,484.14/13,198.94
  6. Step 6: Final answer
    x = 12,431.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.