Home / 11,620.37-17,430.53-3,300.46

Finding the Fourth Proportional to 11,620.37, 17,430.53 and 3,300.46

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Solution

The fourth proportional to 11,620.37, 17,430.53 and 3,300.46 is: 4,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.37 : 17,430.53 = 3,300.46 : x
  2. Step 2: Convert to fraction form
    11,620.37/17,430.53 = 3,300.46/x
  3. Step 3: Cross multiply
    11,620.37x = 17,430.53 × 3,300.46
  4. Step 4: Simplify right side
    11,620.37x = 57,528,706.97
  5. Step 5: Solve for x
    x = 57,528,706.97/11,620.37
  6. Step 6: Final answer
    x = 4,950.68

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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.