Home / 12,794.74-19,175.70-6,129.86

Finding the Fourth Proportional to 12,794.74, 19,175.70 and 6,129.86

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Solution

The fourth proportional to 12,794.74, 19,175.70 and 6,129.86 is: 9,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794.74 : 19,175.70 = 6,129.86 : x
  2. Step 2: Convert to fraction form
    12,794.74/19,175.70 = 6,129.86/x
  3. Step 3: Cross multiply
    12,794.74x = 19,175.70 × 6,129.86
  4. Step 4: Simplify right side
    12,794.74x = 117,544,356.40
  5. Step 5: Solve for x
    x = 117,544,356.40/12,794.74
  6. Step 6: Final answer
    x = 9,186.93

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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.