Home / 18,643.44-25,727.43-10,145.37

Finding the Fourth Proportional to 18,643.44, 25,727.43 and 10,145.37

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Solution

The fourth proportional to 18,643.44, 25,727.43 and 10,145.37 is: 14,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.44 : 25,727.43 = 10,145.37 : x
  2. Step 2: Convert to fraction form
    18,643.44/25,727.43 = 10,145.37/x
  3. Step 3: Cross multiply
    18,643.44x = 25,727.43 × 10,145.37
  4. Step 4: Simplify right side
    18,643.44x = 261,014,296.50
  5. Step 5: Solve for x
    x = 261,014,296.50/18,643.44
  6. Step 6: Final answer
    x = 14,000.33

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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.