Home / 13,941.90-20,912.73-6,150.72

Finding the Fourth Proportional to 13,941.90, 20,912.73 and 6,150.72

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Solution

The fourth proportional to 13,941.90, 20,912.73 and 6,150.72 is: 9,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.90 : 20,912.73 = 6,150.72 : x
  2. Step 2: Convert to fraction form
    13,941.90/20,912.73 = 6,150.72/x
  3. Step 3: Cross multiply
    13,941.90x = 20,912.73 × 6,150.72
  4. Step 4: Simplify right side
    13,941.90x = 128,628,346.67
  5. Step 5: Solve for x
    x = 128,628,346.67/13,941.90
  6. Step 6: Final answer
    x = 9,226.03

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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.