Home / 18,284.22-25,233.21-10,326.78

Finding the Fourth Proportional to 18,284.22, 25,233.21 and 10,326.78

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Solution

The fourth proportional to 18,284.22, 25,233.21 and 10,326.78 is: 14,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.22 : 25,233.21 = 10,326.78 : x
  2. Step 2: Convert to fraction form
    18,284.22/25,233.21 = 10,326.78/x
  3. Step 3: Cross multiply
    18,284.22x = 25,233.21 × 10,326.78
  4. Step 4: Simplify right side
    18,284.22x = 260,577,808.36
  5. Step 5: Solve for x
    x = 260,577,808.36/18,284.22
  6. Step 6: Final answer
    x = 14,251.51

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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.