Home / 14,760.72-22,146.84-8,517.44

Finding the Fourth Proportional to 14,760.72, 22,146.84 and 8,517.44

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Solution

The fourth proportional to 14,760.72, 22,146.84 and 8,517.44 is: 12,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.72 : 22,146.84 = 8,517.44 : x
  2. Step 2: Convert to fraction form
    14,760.72/22,146.84 = 8,517.44/x
  3. Step 3: Cross multiply
    14,760.72x = 22,146.84 × 8,517.44
  4. Step 4: Simplify right side
    14,760.72x = 188,634,270.16
  5. Step 5: Solve for x
    x = 188,634,270.16/14,760.72
  6. Step 6: Final answer
    x = 12,779.48

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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.