Home / 10,955.72-16,423.84-4,028.60

Finding the Fourth Proportional to 10,955.72, 16,423.84 and 4,028.60

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Solution

The fourth proportional to 10,955.72, 16,423.84 and 4,028.60 is: 6,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.72 : 16,423.84 = 4,028.60 : x
  2. Step 2: Convert to fraction form
    10,955.72/16,423.84 = 4,028.60/x
  3. Step 3: Cross multiply
    10,955.72x = 16,423.84 × 4,028.60
  4. Step 4: Simplify right side
    10,955.72x = 66,165,081.82
  5. Step 5: Solve for x
    x = 66,165,081.82/10,955.72
  6. Step 6: Final answer
    x = 6,039.32

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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.