Home / 10,647.30-15,965.19-4,797.06

Finding the Fourth Proportional to 10,647.30, 15,965.19 and 4,797.06

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Solution

The fourth proportional to 10,647.30, 15,965.19 and 4,797.06 is: 7,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.30 : 15,965.19 = 4,797.06 : x
  2. Step 2: Convert to fraction form
    10,647.30/15,965.19 = 4,797.06/x
  3. Step 3: Cross multiply
    10,647.30x = 15,965.19 × 4,797.06
  4. Step 4: Simplify right side
    10,647.30x = 76,585,974.34
  5. Step 5: Solve for x
    x = 76,585,974.34/10,647.30
  6. Step 6: Final answer
    x = 7,192.99

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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.