Home / 18,837.33-28,235.94-8,955.72

Finding the Fourth Proportional to 18,837.33, 28,235.94 and 8,955.72

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Solution

The fourth proportional to 18,837.33, 28,235.94 and 8,955.72 is: 13,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.33 : 28,235.94 = 8,955.72 : x
  2. Step 2: Convert to fraction form
    18,837.33/28,235.94 = 8,955.72/x
  3. Step 3: Cross multiply
    18,837.33x = 28,235.94 × 8,955.72
  4. Step 4: Simplify right side
    18,837.33x = 252,873,172.58
  5. Step 5: Solve for x
    x = 252,873,172.58/18,837.33
  6. Step 6: Final answer
    x = 13,424.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.