Home / 12,194.05-18,288.33-7,265.09

Finding the Fourth Proportional to 12,194.05, 18,288.33 and 7,265.09

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Solution

The fourth proportional to 12,194.05, 18,288.33 and 7,265.09 is: 10,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.05 : 18,288.33 = 7,265.09 : x
  2. Step 2: Convert to fraction form
    12,194.05/18,288.33 = 7,265.09/x
  3. Step 3: Cross multiply
    12,194.05x = 18,288.33 × 7,265.09
  4. Step 4: Simplify right side
    12,194.05x = 132,866,363.40
  5. Step 5: Solve for x
    x = 132,866,363.40/12,194.05
  6. Step 6: Final answer
    x = 10,896.00

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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.