Home / 11,242.77-16,852.26-4,218.18

Finding the Fourth Proportional to 11,242.77, 16,852.26 and 4,218.18

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Solution

The fourth proportional to 11,242.77, 16,852.26 and 4,218.18 is: 6,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.77 : 16,852.26 = 4,218.18 : x
  2. Step 2: Convert to fraction form
    11,242.77/16,852.26 = 4,218.18/x
  3. Step 3: Cross multiply
    11,242.77x = 16,852.26 × 4,218.18
  4. Step 4: Simplify right side
    11,242.77x = 71,085,866.09
  5. Step 5: Solve for x
    x = 71,085,866.09/11,242.77
  6. Step 6: Final answer
    x = 6,322.81

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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.