Home / 14,141.44-21,176.34-8,515.60

Finding the Fourth Proportional to 14,141.44, 21,176.34 and 8,515.60

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Solution

The fourth proportional to 14,141.44, 21,176.34 and 8,515.60 is: 12,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.44 : 21,176.34 = 8,515.60 : x
  2. Step 2: Convert to fraction form
    14,141.44/21,176.34 = 8,515.60/x
  3. Step 3: Cross multiply
    14,141.44x = 21,176.34 × 8,515.60
  4. Step 4: Simplify right side
    14,141.44x = 180,329,240.90
  5. Step 5: Solve for x
    x = 180,329,240.90/14,141.44
  6. Step 6: Final answer
    x = 12,751.83

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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.