Home / 13,846.36-20,779.50-5,521.54

Finding the Fourth Proportional to 13,846.36, 20,779.50 and 5,521.54

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Solution

The fourth proportional to 13,846.36, 20,779.50 and 5,521.54 is: 8,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.36 : 20,779.50 = 5,521.54 : x
  2. Step 2: Convert to fraction form
    13,846.36/20,779.50 = 5,521.54/x
  3. Step 3: Cross multiply
    13,846.36x = 20,779.50 × 5,521.54
  4. Step 4: Simplify right side
    13,846.36x = 114,734,840.43
  5. Step 5: Solve for x
    x = 114,734,840.43/13,846.36
  6. Step 6: Final answer
    x = 8,286.28

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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.