Home / 10,683.75-16,023.65-2,891.55

Finding the Fourth Proportional to 10,683.75, 16,023.65 and 2,891.55

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Solution

The fourth proportional to 10,683.75, 16,023.65 and 2,891.55 is: 4,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,683.75 : 16,023.65 = 2,891.55 : x
  2. Step 2: Convert to fraction form
    10,683.75/16,023.65 = 2,891.55/x
  3. Step 3: Cross multiply
    10,683.75x = 16,023.65 × 2,891.55
  4. Step 4: Simplify right side
    10,683.75x = 46,333,170.70
  5. Step 5: Solve for x
    x = 46,333,170.70/10,683.75
  6. Step 6: Final answer
    x = 4,336.79

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1.5x scale

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.