Home / 11,806.03-16,292.37-7,090.39

Finding the Fourth Proportional to 11,806.03, 16,292.37 and 7,090.39

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Solution

The fourth proportional to 11,806.03, 16,292.37 and 7,090.39 is: 9,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.03 : 16,292.37 = 7,090.39 : x
  2. Step 2: Convert to fraction form
    11,806.03/16,292.37 = 7,090.39/x
  3. Step 3: Cross multiply
    11,806.03x = 16,292.37 × 7,090.39
  4. Step 4: Simplify right side
    11,806.03x = 115,519,257.32
  5. Step 5: Solve for x
    x = 115,519,257.32/11,806.03
  6. Step 6: Final answer
    x = 9,784.77

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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.