Home / 13,404.89-20,090.94-4,629.56

Finding the Fourth Proportional to 13,404.89, 20,090.94 and 4,629.56

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Solution

The fourth proportional to 13,404.89, 20,090.94 and 4,629.56 is: 6,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.89 : 20,090.94 = 4,629.56 : x
  2. Step 2: Convert to fraction form
    13,404.89/20,090.94 = 4,629.56/x
  3. Step 3: Cross multiply
    13,404.89x = 20,090.94 × 4,629.56
  4. Step 4: Simplify right side
    13,404.89x = 93,012,094.37
  5. Step 5: Solve for x
    x = 93,012,094.37/13,404.89
  6. Step 6: Final answer
    x = 6,938.67

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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.