Home / 16,817.64-25,226.44-5,130.96

Finding the Fourth Proportional to 16,817.64, 25,226.44 and 5,130.96

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Solution

The fourth proportional to 16,817.64, 25,226.44 and 5,130.96 is: 7,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.64 : 25,226.44 = 5,130.96 : x
  2. Step 2: Convert to fraction form
    16,817.64/25,226.44 = 5,130.96/x
  3. Step 3: Cross multiply
    16,817.64x = 25,226.44 × 5,130.96
  4. Step 4: Simplify right side
    16,817.64x = 129,435,854.58
  5. Step 5: Solve for x
    x = 129,435,854.58/16,817.64
  6. Step 6: Final answer
    x = 7,696.43

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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.