Home / 14,183.82-19,572.84-8,215.07

Finding the Fourth Proportional to 14,183.82, 19,572.84 and 8,215.07

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Solution

The fourth proportional to 14,183.82, 19,572.84 and 8,215.07 is: 11,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.82 : 19,572.84 = 8,215.07 : x
  2. Step 2: Convert to fraction form
    14,183.82/19,572.84 = 8,215.07/x
  3. Step 3: Cross multiply
    14,183.82x = 19,572.84 × 8,215.07
  4. Step 4: Simplify right side
    14,183.82x = 160,792,152.83
  5. Step 5: Solve for x
    x = 160,792,152.83/14,183.82
  6. Step 6: Final answer
    x = 11,336.31

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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.