Home / 18,284.21-25,231.95-10,218.03

Finding the Fourth Proportional to 18,284.21, 25,231.95 and 10,218.03

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Solution

The fourth proportional to 18,284.21, 25,231.95 and 10,218.03 is: 14,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.21 : 25,231.95 = 10,218.03 : x
  2. Step 2: Convert to fraction form
    18,284.21/25,231.95 = 10,218.03/x
  3. Step 3: Cross multiply
    18,284.21x = 25,231.95 × 10,218.03
  4. Step 4: Simplify right side
    18,284.21x = 257,820,727.44
  5. Step 5: Solve for x
    x = 257,820,727.44/18,284.21
  6. Step 6: Final answer
    x = 14,100.73

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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.