Home / 11,323.49-16,992.12-7,157.75

Finding the Fourth Proportional to 11,323.49, 16,992.12 and 7,157.75

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Solution

The fourth proportional to 11,323.49, 16,992.12 and 7,157.75 is: 10,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.49 : 16,992.12 = 7,157.75 : x
  2. Step 2: Convert to fraction form
    11,323.49/16,992.12 = 7,157.75/x
  3. Step 3: Cross multiply
    11,323.49x = 16,992.12 × 7,157.75
  4. Step 4: Simplify right side
    11,323.49x = 121,625,261.97
  5. Step 5: Solve for x
    x = 121,625,261.97/11,323.49
  6. Step 6: Final answer
    x = 10,740.97

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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.