Home / 11,450.28-17,153.88-8,977.60

Finding the Fourth Proportional to 11,450.28, 17,153.88 and 8,977.60

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Solution

The fourth proportional to 11,450.28, 17,153.88 and 8,977.60 is: 13,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.28 : 17,153.88 = 8,977.60 : x
  2. Step 2: Convert to fraction form
    11,450.28/17,153.88 = 8,977.60/x
  3. Step 3: Cross multiply
    11,450.28x = 17,153.88 × 8,977.60
  4. Step 4: Simplify right side
    11,450.28x = 154,000,673.09
  5. Step 5: Solve for x
    x = 154,000,673.09/11,450.28
  6. Step 6: Final answer
    x = 13,449.51

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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.