Home / 13,027.53-17,973.84-7,989.33

Finding the Fourth Proportional to 13,027.53, 17,973.84 and 7,989.33

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Solution

The fourth proportional to 13,027.53, 17,973.84 and 7,989.33 is: 11,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.53 : 17,973.84 = 7,989.33 : x
  2. Step 2: Convert to fraction form
    13,027.53/17,973.84 = 7,989.33/x
  3. Step 3: Cross multiply
    13,027.53x = 17,973.84 × 7,989.33
  4. Step 4: Simplify right side
    13,027.53x = 143,598,939.13
  5. Step 5: Solve for x
    x = 143,598,939.13/13,027.53
  6. Step 6: Final answer
    x = 11,022.73

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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.