Home / 11,128.50-16,692.75-3,337.31

Finding the Fourth Proportional to 11,128.50, 16,692.75 and 3,337.31

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Solution

The fourth proportional to 11,128.50, 16,692.75 and 3,337.31 is: 5,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.50 : 16,692.75 = 3,337.31 : x
  2. Step 2: Convert to fraction form
    11,128.50/16,692.75 = 3,337.31/x
  3. Step 3: Cross multiply
    11,128.50x = 16,692.75 × 3,337.31
  4. Step 4: Simplify right side
    11,128.50x = 55,708,923.23
  5. Step 5: Solve for x
    x = 55,708,923.23/11,128.50
  6. Step 6: Final answer
    x = 5,005.97

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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.