Home / 18,464.16-27,696.69-6,618.75

Finding the Fourth Proportional to 18,464.16, 27,696.69 and 6,618.75

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Solution

The fourth proportional to 18,464.16, 27,696.69 and 6,618.75 is: 9,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.16 : 27,696.69 = 6,618.75 : x
  2. Step 2: Convert to fraction form
    18,464.16/27,696.69 = 6,618.75/x
  3. Step 3: Cross multiply
    18,464.16x = 27,696.69 × 6,618.75
  4. Step 4: Simplify right side
    18,464.16x = 183,317,466.94
  5. Step 5: Solve for x
    x = 183,317,466.94/18,464.16
  6. Step 6: Final answer
    x = 9,928.29

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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.