Home / 18,149.32-25,014.18-17,643.88

Finding the Fourth Proportional to 18,149.32, 25,014.18 and 17,643.88

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Solution

The fourth proportional to 18,149.32, 25,014.18 and 17,643.88 is: 24,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.32 : 25,014.18 = 17,643.88 : x
  2. Step 2: Convert to fraction form
    18,149.32/25,014.18 = 17,643.88/x
  3. Step 3: Cross multiply
    18,149.32x = 25,014.18 × 17,643.88
  4. Step 4: Simplify right side
    18,149.32x = 441,347,190.22
  5. Step 5: Solve for x
    x = 441,347,190.22/18,149.32
  6. Step 6: Final answer
    x = 24,317.56

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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.