Home / 18,836.34-28,256.73-6,357.61

Finding the Fourth Proportional to 18,836.34, 28,256.73 and 6,357.61

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Solution

The fourth proportional to 18,836.34, 28,256.73 and 6,357.61 is: 9,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.34 : 28,256.73 = 6,357.61 : x
  2. Step 2: Convert to fraction form
    18,836.34/28,256.73 = 6,357.61/x
  3. Step 3: Cross multiply
    18,836.34x = 28,256.73 × 6,357.61
  4. Step 4: Simplify right side
    18,836.34x = 179,645,269.22
  5. Step 5: Solve for x
    x = 179,645,269.22/18,836.34
  6. Step 6: Final answer
    x = 9,537.16

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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.