Home / 12,161.34-18,240.38-3,397.14

Finding the Fourth Proportional to 12,161.34, 18,240.38 and 3,397.14

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Solution

The fourth proportional to 12,161.34, 18,240.38 and 3,397.14 is: 5,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.34 : 18,240.38 = 3,397.14 : x
  2. Step 2: Convert to fraction form
    12,161.34/18,240.38 = 3,397.14/x
  3. Step 3: Cross multiply
    12,161.34x = 18,240.38 × 3,397.14
  4. Step 4: Simplify right side
    12,161.34x = 61,965,107.53
  5. Step 5: Solve for x
    x = 61,965,107.53/12,161.34
  6. Step 6: Final answer
    x = 5,095.25

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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.