Home / 9,170.31-12,666.48-7,071.33

Finding the Fourth Proportional to 9,170.31, 12,666.48 and 7,071.33

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Solution

The fourth proportional to 9,170.31, 12,666.48 and 7,071.33 is: 9,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.31 : 12,666.48 = 7,071.33 : x
  2. Step 2: Convert to fraction form
    9,170.31/12,666.48 = 7,071.33/x
  3. Step 3: Cross multiply
    9,170.31x = 12,666.48 × 7,071.33
  4. Step 4: Simplify right side
    9,170.31x = 89,568,860.02
  5. Step 5: Solve for x
    x = 89,568,860.02/9,170.31
  6. Step 6: Final answer
    x = 9,767.27

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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.