Home / 12,194.40-18,291.62-10,358.36

Finding the Fourth Proportional to 12,194.40, 18,291.62 and 10,358.36

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Solution

The fourth proportional to 12,194.40, 18,291.62 and 10,358.36 is: 15,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.40 : 18,291.62 = 10,358.36 : x
  2. Step 2: Convert to fraction form
    12,194.40/18,291.62 = 10,358.36/x
  3. Step 3: Cross multiply
    12,194.40x = 18,291.62 × 10,358.36
  4. Step 4: Simplify right side
    12,194.40x = 189,471,184.94
  5. Step 5: Solve for x
    x = 189,471,184.94/12,194.40
  6. Step 6: Final answer
    x = 15,537.56

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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.