Home / 13,647.30-20,463.66-4,877.43

Finding the Fourth Proportional to 13,647.30, 20,463.66 and 4,877.43

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Solution

The fourth proportional to 13,647.30, 20,463.66 and 4,877.43 is: 7,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.30 : 20,463.66 = 4,877.43 : x
  2. Step 2: Convert to fraction form
    13,647.30/20,463.66 = 4,877.43/x
  3. Step 3: Cross multiply
    13,647.30x = 20,463.66 × 4,877.43
  4. Step 4: Simplify right side
    13,647.30x = 99,810,069.19
  5. Step 5: Solve for x
    x = 99,810,069.19/13,647.30
  6. Step 6: Final answer
    x = 7,313.54

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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.