Home / 11,355.75-17,037.96-4,430.79

Finding the Fourth Proportional to 11,355.75, 17,037.96 and 4,430.79

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Solution

The fourth proportional to 11,355.75, 17,037.96 and 4,430.79 is: 6,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.75 : 17,037.96 = 4,430.79 : x
  2. Step 2: Convert to fraction form
    11,355.75/17,037.96 = 4,430.79/x
  3. Step 3: Cross multiply
    11,355.75x = 17,037.96 × 4,430.79
  4. Step 4: Simplify right side
    11,355.75x = 75,491,622.79
  5. Step 5: Solve for x
    x = 75,491,622.79/11,355.75
  6. Step 6: Final answer
    x = 6,647.88

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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.