Home / 14,647-21,974.25-4,258.75

Finding the Fourth Proportional to 14,647, 21,974.25 and 4,258.75

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Solution

The fourth proportional to 14,647, 21,974.25 and 4,258.75 is: 6,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647 : 21,974.25 = 4,258.75 : x
  2. Step 2: Convert to fraction form
    14,647/21,974.25 = 4,258.75/x
  3. Step 3: Cross multiply
    14,647x = 21,974.25 × 4,258.75
  4. Step 4: Simplify right side
    14,647x = 93,582,837.19
  5. Step 5: Solve for x
    x = 93,582,837.19/14,647
  6. Step 6: Final answer
    x = 6,389.22

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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.