Home / 11,740.21-16,201.90-6,435.03

Finding the Fourth Proportional to 11,740.21, 16,201.90 and 6,435.03

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Solution

The fourth proportional to 11,740.21, 16,201.90 and 6,435.03 is: 8,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.21 : 16,201.90 = 6,435.03 : x
  2. Step 2: Convert to fraction form
    11,740.21/16,201.90 = 6,435.03/x
  3. Step 3: Cross multiply
    11,740.21x = 16,201.90 × 6,435.03
  4. Step 4: Simplify right side
    11,740.21x = 104,259,712.56
  5. Step 5: Solve for x
    x = 104,259,712.56/11,740.21
  6. Step 6: Final answer
    x = 8,880.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.