Home / 18,806.33-28,210.86-6,326.30

Finding the Fourth Proportional to 18,806.33, 28,210.86 and 6,326.30

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Solution

The fourth proportional to 18,806.33, 28,210.86 and 6,326.30 is: 9,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.33 : 28,210.86 = 6,326.30 : x
  2. Step 2: Convert to fraction form
    18,806.33/28,210.86 = 6,326.30/x
  3. Step 3: Cross multiply
    18,806.33x = 28,210.86 × 6,326.30
  4. Step 4: Simplify right side
    18,806.33x = 178,470,434.15
  5. Step 5: Solve for x
    x = 178,470,434.15/18,806.33
  6. Step 6: Final answer
    x = 9,489.91

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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.