Home / 14,719.02-20,311.17-8,345.73

Finding the Fourth Proportional to 14,719.02, 20,311.17 and 8,345.73

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Solution

The fourth proportional to 14,719.02, 20,311.17 and 8,345.73 is: 11,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.02 : 20,311.17 = 8,345.73 : x
  2. Step 2: Convert to fraction form
    14,719.02/20,311.17 = 8,345.73/x
  3. Step 3: Cross multiply
    14,719.02x = 20,311.17 × 8,345.73
  4. Step 4: Simplify right side
    14,719.02x = 169,511,540.80
  5. Step 5: Solve for x
    x = 169,511,540.80/14,719.02
  6. Step 6: Final answer
    x = 11,516.50

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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.