Home / 10,845.63-16,266.42-4,268.43

Finding the Fourth Proportional to 10,845.63, 16,266.42 and 4,268.43

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Solution

The fourth proportional to 10,845.63, 16,266.42 and 4,268.43 is: 6,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.63 : 16,266.42 = 4,268.43 : x
  2. Step 2: Convert to fraction form
    10,845.63/16,266.42 = 4,268.43/x
  3. Step 3: Cross multiply
    10,845.63x = 16,266.42 × 4,268.43
  4. Step 4: Simplify right side
    10,845.63x = 69,432,075.12
  5. Step 5: Solve for x
    x = 69,432,075.12/10,845.63
  6. Step 6: Final answer
    x = 6,401.85

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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.