Home / 10,289.24-14,198.30-5,813.38

Finding the Fourth Proportional to 10,289.24, 14,198.30 and 5,813.38

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Solution

The fourth proportional to 10,289.24, 14,198.30 and 5,813.38 is: 8,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.24 : 14,198.30 = 5,813.38 : x
  2. Step 2: Convert to fraction form
    10,289.24/14,198.30 = 5,813.38/x
  3. Step 3: Cross multiply
    10,289.24x = 14,198.30 × 5,813.38
  4. Step 4: Simplify right side
    10,289.24x = 82,540,056.80
  5. Step 5: Solve for x
    x = 82,540,056.80/10,289.24
  6. Step 6: Final answer
    x = 8,021.98

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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.