Home / 11,087.70-16,633.18-3,971.40

Finding the Fourth Proportional to 11,087.70, 16,633.18 and 3,971.40

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Solution

The fourth proportional to 11,087.70, 16,633.18 and 3,971.40 is: 5,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.70 : 16,633.18 = 3,971.40 : x
  2. Step 2: Convert to fraction form
    11,087.70/16,633.18 = 3,971.40/x
  3. Step 3: Cross multiply
    11,087.70x = 16,633.18 × 3,971.40
  4. Step 4: Simplify right side
    11,087.70x = 66,057,011.05
  5. Step 5: Solve for x
    x = 66,057,011.05/11,087.70
  6. Step 6: Final answer
    x = 5,957.68

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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.