Home / 10,750.75-16,124.32-2,853.75

Finding the Fourth Proportional to 10,750.75, 16,124.32 and 2,853.75

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Solution

The fourth proportional to 10,750.75, 16,124.32 and 2,853.75 is: 4,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.75 : 16,124.32 = 2,853.75 : x
  2. Step 2: Convert to fraction form
    10,750.75/16,124.32 = 2,853.75/x
  3. Step 3: Cross multiply
    10,750.75x = 16,124.32 × 2,853.75
  4. Step 4: Simplify right side
    10,750.75x = 46,014,778.20
  5. Step 5: Solve for x
    x = 46,014,778.20/10,750.75
  6. Step 6: Final answer
    x = 4,280.15

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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.