Home / 13,997.07-20,992.37-8,984.32

Finding the Fourth Proportional to 13,997.07, 20,992.37 and 8,984.32

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Solution

The fourth proportional to 13,997.07, 20,992.37 and 8,984.32 is: 13,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.07 : 20,992.37 = 8,984.32 : x
  2. Step 2: Convert to fraction form
    13,997.07/20,992.37 = 8,984.32/x
  3. Step 3: Cross multiply
    13,997.07x = 20,992.37 × 8,984.32
  4. Step 4: Simplify right side
    13,997.07x = 188,602,072.24
  5. Step 5: Solve for x
    x = 188,602,072.24/13,997.07
  6. Step 6: Final answer
    x = 13,474.40

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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.