Home / 15,153.67-22,733.61-6,388.60

Finding the Fourth Proportional to 15,153.67, 22,733.61 and 6,388.60

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Solution

The fourth proportional to 15,153.67, 22,733.61 and 6,388.60 is: 9,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.67 : 22,733.61 = 6,388.60 : x
  2. Step 2: Convert to fraction form
    15,153.67/22,733.61 = 6,388.60/x
  3. Step 3: Cross multiply
    15,153.67x = 22,733.61 × 6,388.60
  4. Step 4: Simplify right side
    15,153.67x = 145,235,940.85
  5. Step 5: Solve for x
    x = 145,235,940.85/15,153.67
  6. Step 6: Final answer
    x = 9,584.21

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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.