Home / 21,450.44-29,601.58-12,019.08

Finding the Fourth Proportional to 21,450.44, 29,601.58 and 12,019.08

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Solution

The fourth proportional to 21,450.44, 29,601.58 and 12,019.08 is: 16,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.44 : 29,601.58 = 12,019.08 : x
  2. Step 2: Convert to fraction form
    21,450.44/29,601.58 = 12,019.08/x
  3. Step 3: Cross multiply
    21,450.44x = 29,601.58 × 12,019.08
  4. Step 4: Simplify right side
    21,450.44x = 355,783,758.15
  5. Step 5: Solve for x
    x = 355,783,758.15/21,450.44
  6. Step 6: Final answer
    x = 16,586.32

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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.