Home / 10,690.55-16,037.75-3,668.75

Finding the Fourth Proportional to 10,690.55, 16,037.75 and 3,668.75

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Solution

The fourth proportional to 10,690.55, 16,037.75 and 3,668.75 is: 5,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.55 : 16,037.75 = 3,668.75 : x
  2. Step 2: Convert to fraction form
    10,690.55/16,037.75 = 3,668.75/x
  3. Step 3: Cross multiply
    10,690.55x = 16,037.75 × 3,668.75
  4. Step 4: Simplify right side
    10,690.55x = 58,838,396.78
  5. Step 5: Solve for x
    x = 58,838,396.78/10,690.55
  6. Step 6: Final answer
    x = 5,503.78

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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.