Home / 11,019.49-16,529.23-4,090.21

Finding the Fourth Proportional to 11,019.49, 16,529.23 and 4,090.21

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Solution

The fourth proportional to 11,019.49, 16,529.23 and 4,090.21 is: 6,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.49 : 16,529.23 = 4,090.21 : x
  2. Step 2: Convert to fraction form
    11,019.49/16,529.23 = 4,090.21/x
  3. Step 3: Cross multiply
    11,019.49x = 16,529.23 × 4,090.21
  4. Step 4: Simplify right side
    11,019.49x = 67,608,021.84
  5. Step 5: Solve for x
    x = 67,608,021.84/11,019.49
  6. Step 6: Final answer
    x = 6,135.31

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Half scale
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Double scale
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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.