Home / 12,845.16-19,267.45-5,919.66

Finding the Fourth Proportional to 12,845.16, 19,267.45 and 5,919.66

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Solution

The fourth proportional to 12,845.16, 19,267.45 and 5,919.66 is: 8,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.16 : 19,267.45 = 5,919.66 : x
  2. Step 2: Convert to fraction form
    12,845.16/19,267.45 = 5,919.66/x
  3. Step 3: Cross multiply
    12,845.16x = 19,267.45 × 5,919.66
  4. Step 4: Simplify right side
    12,845.16x = 114,056,738.27
  5. Step 5: Solve for x
    x = 114,056,738.27/12,845.16
  6. Step 6: Final answer
    x = 8,879.36

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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.