Home / 10,830.00-16,237.97-7,120.96

Finding the Fourth Proportional to 10,830.00, 16,237.97 and 7,120.96

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Solution

The fourth proportional to 10,830.00, 16,237.97 and 7,120.96 is: 10,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.00 : 16,237.97 = 7,120.96 : x
  2. Step 2: Convert to fraction form
    10,830.00/16,237.97 = 7,120.96/x
  3. Step 3: Cross multiply
    10,830.00x = 16,237.97 × 7,120.96
  4. Step 4: Simplify right side
    10,830.00x = 115,629,976.69
  5. Step 5: Solve for x
    x = 115,629,976.69/10,830.00
  6. Step 6: Final answer
    x = 10,676.82

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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.