Home / 13,995.96-20,995.86-6,204.60

Finding the Fourth Proportional to 13,995.96, 20,995.86 and 6,204.60

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Solution

The fourth proportional to 13,995.96, 20,995.86 and 6,204.60 is: 9,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.96 : 20,995.86 = 6,204.60 : x
  2. Step 2: Convert to fraction form
    13,995.96/20,995.86 = 6,204.60/x
  3. Step 3: Cross multiply
    13,995.96x = 20,995.86 × 6,204.60
  4. Step 4: Simplify right side
    13,995.96x = 130,270,912.96
  5. Step 5: Solve for x
    x = 130,270,912.96/13,995.96
  6. Step 6: Final answer
    x = 9,307.75

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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.