Home / 11,109.09-16,655.40-6,725.51

Finding the Fourth Proportional to 11,109.09, 16,655.40 and 6,725.51

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Solution

The fourth proportional to 11,109.09, 16,655.40 and 6,725.51 is: 10,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.09 : 16,655.40 = 6,725.51 : x
  2. Step 2: Convert to fraction form
    11,109.09/16,655.40 = 6,725.51/x
  3. Step 3: Cross multiply
    11,109.09x = 16,655.40 × 6,725.51
  4. Step 4: Simplify right side
    11,109.09x = 112,016,059.25
  5. Step 5: Solve for x
    x = 112,016,059.25/11,109.09
  6. Step 6: Final answer
    x = 10,083.28

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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.