Home / 11,803.72-16,285.45-6,698.39

Finding the Fourth Proportional to 11,803.72, 16,285.45 and 6,698.39

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Solution

The fourth proportional to 11,803.72, 16,285.45 and 6,698.39 is: 9,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.72 : 16,285.45 = 6,698.39 : x
  2. Step 2: Convert to fraction form
    11,803.72/16,285.45 = 6,698.39/x
  3. Step 3: Cross multiply
    11,803.72x = 16,285.45 × 6,698.39
  4. Step 4: Simplify right side
    11,803.72x = 109,086,214.00
  5. Step 5: Solve for x
    x = 109,086,214.00/11,803.72
  6. Step 6: Final answer
    x = 9,241.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.