Home / 13,775.10-20,662.74-4,416.54

Finding the Fourth Proportional to 13,775.10, 20,662.74 and 4,416.54

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Solution

The fourth proportional to 13,775.10, 20,662.74 and 4,416.54 is: 6,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.10 : 20,662.74 = 4,416.54 : x
  2. Step 2: Convert to fraction form
    13,775.10/20,662.74 = 4,416.54/x
  3. Step 3: Cross multiply
    13,775.10x = 20,662.74 × 4,416.54
  4. Step 4: Simplify right side
    13,775.10x = 91,257,817.72
  5. Step 5: Solve for x
    x = 91,257,817.72/13,775.10
  6. Step 6: Final answer
    x = 6,624.84

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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.