Home / 10,763.24-16,145.88-4,189.94

Finding the Fourth Proportional to 10,763.24, 16,145.88 and 4,189.94

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Solution

The fourth proportional to 10,763.24, 16,145.88 and 4,189.94 is: 6,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.24 : 16,145.88 = 4,189.94 : x
  2. Step 2: Convert to fraction form
    10,763.24/16,145.88 = 4,189.94/x
  3. Step 3: Cross multiply
    10,763.24x = 16,145.88 × 4,189.94
  4. Step 4: Simplify right side
    10,763.24x = 67,650,268.45
  5. Step 5: Solve for x
    x = 67,650,268.45/10,763.24
  6. Step 6: Final answer
    x = 6,285.31

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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.