Home / 16,817.68-25,226.44-5,130.86

Finding the Fourth Proportional to 16,817.68, 25,226.44 and 5,130.86

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Solution

The fourth proportional to 16,817.68, 25,226.44 and 5,130.86 is: 7,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.68 : 25,226.44 = 5,130.86 : x
  2. Step 2: Convert to fraction form
    16,817.68/25,226.44 = 5,130.86/x
  3. Step 3: Cross multiply
    16,817.68x = 25,226.44 × 5,130.86
  4. Step 4: Simplify right side
    16,817.68x = 129,433,331.94
  5. Step 5: Solve for x
    x = 129,433,331.94/16,817.68
  6. Step 6: Final answer
    x = 7,696.27

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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.