Home / 16,837.20-25,252.74-8,520.84

Finding the Fourth Proportional to 16,837.20, 25,252.74 and 8,520.84

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Solution

The fourth proportional to 16,837.20, 25,252.74 and 8,520.84 is: 12,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,837.20 : 25,252.74 = 8,520.84 : x
  2. Step 2: Convert to fraction form
    16,837.20/25,252.74 = 8,520.84/x
  3. Step 3: Cross multiply
    16,837.20x = 25,252.74 × 8,520.84
  4. Step 4: Simplify right side
    16,837.20x = 215,174,557.10
  5. Step 5: Solve for x
    x = 215,174,557.10/16,837.20
  6. Step 6: Final answer
    x = 12,779.71

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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.