Home / 9,989.80-13,783.62-5,795.56

Finding the Fourth Proportional to 9,989.80, 13,783.62 and 5,795.56

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Solution

The fourth proportional to 9,989.80, 13,783.62 and 5,795.56 is: 7,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.80 : 13,783.62 = 5,795.56 : x
  2. Step 2: Convert to fraction form
    9,989.80/13,783.62 = 5,795.56/x
  3. Step 3: Cross multiply
    9,989.80x = 13,783.62 × 5,795.56
  4. Step 4: Simplify right side
    9,989.80x = 79,883,796.73
  5. Step 5: Solve for x
    x = 79,883,796.73/9,989.80
  6. Step 6: Final answer
    x = 7,996.54

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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.