Home / 13,647.73-18,832.34-7,679.27

Finding the Fourth Proportional to 13,647.73, 18,832.34 and 7,679.27

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Solution

The fourth proportional to 13,647.73, 18,832.34 and 7,679.27 is: 10,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.73 : 18,832.34 = 7,679.27 : x
  2. Step 2: Convert to fraction form
    13,647.73/18,832.34 = 7,679.27/x
  3. Step 3: Cross multiply
    13,647.73x = 18,832.34 × 7,679.27
  4. Step 4: Simplify right side
    13,647.73x = 144,618,585.20
  5. Step 5: Solve for x
    x = 144,618,585.20/13,647.73
  6. Step 6: Final answer
    x = 10,596.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.