Home / 10,829.70-16,244.55-5,286.60

Finding the Fourth Proportional to 10,829.70, 16,244.55 and 5,286.60

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Solution

The fourth proportional to 10,829.70, 16,244.55 and 5,286.60 is: 7,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.70 : 16,244.55 = 5,286.60 : x
  2. Step 2: Convert to fraction form
    10,829.70/16,244.55 = 5,286.60/x
  3. Step 3: Cross multiply
    10,829.70x = 16,244.55 × 5,286.60
  4. Step 4: Simplify right side
    10,829.70x = 85,878,438.03
  5. Step 5: Solve for x
    x = 85,878,438.03/10,829.70
  6. Step 6: Final answer
    x = 7,929.90

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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.