Home / 13,183.31-19,777.70-5,392.13

Finding the Fourth Proportional to 13,183.31, 19,777.70 and 5,392.13

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Solution

The fourth proportional to 13,183.31, 19,777.70 and 5,392.13 is: 8,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.31 : 19,777.70 = 5,392.13 : x
  2. Step 2: Convert to fraction form
    13,183.31/19,777.70 = 5,392.13/x
  3. Step 3: Cross multiply
    13,183.31x = 19,777.70 × 5,392.13
  4. Step 4: Simplify right side
    13,183.31x = 106,643,844.09
  5. Step 5: Solve for x
    x = 106,643,844.09/13,183.31
  6. Step 6: Final answer
    x = 8,089.31

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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.