Home / 11,173.91-15,415.59-7,197.33

Finding the Fourth Proportional to 11,173.91, 15,415.59 and 7,197.33

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Solution

The fourth proportional to 11,173.91, 15,415.59 and 7,197.33 is: 9,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.91 : 15,415.59 = 7,197.33 : x
  2. Step 2: Convert to fraction form
    11,173.91/15,415.59 = 7,197.33/x
  3. Step 3: Cross multiply
    11,173.91x = 15,415.59 × 7,197.33
  4. Step 4: Simplify right side
    11,173.91x = 110,951,088.37
  5. Step 5: Solve for x
    x = 110,951,088.37/11,173.91
  6. Step 6: Final answer
    x = 9,929.48

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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.