Home / 21,740.66-29,991.42-14,183.50

Finding the Fourth Proportional to 21,740.66, 29,991.42 and 14,183.50

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Solution

The fourth proportional to 21,740.66, 29,991.42 and 14,183.50 is: 19,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.66 : 29,991.42 = 14,183.50 : x
  2. Step 2: Convert to fraction form
    21,740.66/29,991.42 = 14,183.50/x
  3. Step 3: Cross multiply
    21,740.66x = 29,991.42 × 14,183.50
  4. Step 4: Simplify right side
    21,740.66x = 425,383,305.57
  5. Step 5: Solve for x
    x = 425,383,305.57/21,740.66
  6. Step 6: Final answer
    x = 19,566.26

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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.