Home / 14,074.40-19,422.32-8,105.92

Finding the Fourth Proportional to 14,074.40, 19,422.32 and 8,105.92

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Solution

The fourth proportional to 14,074.40, 19,422.32 and 8,105.92 is: 11,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.40 : 19,422.32 = 8,105.92 : x
  2. Step 2: Convert to fraction form
    14,074.40/19,422.32 = 8,105.92/x
  3. Step 3: Cross multiply
    14,074.40x = 19,422.32 × 8,105.92
  4. Step 4: Simplify right side
    14,074.40x = 157,435,772.13
  5. Step 5: Solve for x
    x = 157,435,772.13/14,074.40
  6. Step 6: Final answer
    x = 11,185.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.