Home / 19,941.44-29,912.24-9,408.08

Finding the Fourth Proportional to 19,941.44, 29,912.24 and 9,408.08

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Solution

The fourth proportional to 19,941.44, 29,912.24 and 9,408.08 is: 14,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.44 : 29,912.24 = 9,408.08 : x
  2. Step 2: Convert to fraction form
    19,941.44/29,912.24 = 9,408.08/x
  3. Step 3: Cross multiply
    19,941.44x = 29,912.24 × 9,408.08
  4. Step 4: Simplify right side
    19,941.44x = 281,416,746.90
  5. Step 5: Solve for x
    x = 281,416,746.90/19,941.44
  6. Step 6: Final answer
    x = 14,112.16

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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.