Home / 14,738.67-20,339.44-8,770.55

Finding the Fourth Proportional to 14,738.67, 20,339.44 and 8,770.55

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Solution

The fourth proportional to 14,738.67, 20,339.44 and 8,770.55 is: 12,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.67 : 20,339.44 = 8,770.55 : x
  2. Step 2: Convert to fraction form
    14,738.67/20,339.44 = 8,770.55/x
  3. Step 3: Cross multiply
    14,738.67x = 20,339.44 × 8,770.55
  4. Step 4: Simplify right side
    14,738.67x = 178,388,160.48
  5. Step 5: Solve for x
    x = 178,388,160.48/14,738.67
  6. Step 6: Final answer
    x = 12,103.41

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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.