Home / 10,845.64-16,273.92-4,276.54

Finding the Fourth Proportional to 10,845.64, 16,273.92 and 4,276.54

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Solution

The fourth proportional to 10,845.64, 16,273.92 and 4,276.54 is: 6,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.64 : 16,273.92 = 4,276.54 : x
  2. Step 2: Convert to fraction form
    10,845.64/16,273.92 = 4,276.54/x
  3. Step 3: Cross multiply
    10,845.64x = 16,273.92 × 4,276.54
  4. Step 4: Simplify right side
    10,845.64x = 69,596,069.84
  5. Step 5: Solve for x
    x = 69,596,069.84/10,845.64
  6. Step 6: Final answer
    x = 6,416.96

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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.