Home / 12,698.10-19,052.55-6,120.90

Finding the Fourth Proportional to 12,698.10, 19,052.55 and 6,120.90

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Solution

The fourth proportional to 12,698.10, 19,052.55 and 6,120.90 is: 9,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.10 : 19,052.55 = 6,120.90 : x
  2. Step 2: Convert to fraction form
    12,698.10/19,052.55 = 6,120.90/x
  3. Step 3: Cross multiply
    12,698.10x = 19,052.55 × 6,120.90
  4. Step 4: Simplify right side
    12,698.10x = 116,618,753.30
  5. Step 5: Solve for x
    x = 116,618,753.30/12,698.10
  6. Step 6: Final answer
    x = 9,183.95

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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.