Home / 11,512.32-17,270.64-7,969.38

Finding the Fourth Proportional to 11,512.32, 17,270.64 and 7,969.38

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Solution

The fourth proportional to 11,512.32, 17,270.64 and 7,969.38 is: 11,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.32 : 17,270.64 = 7,969.38 : x
  2. Step 2: Convert to fraction form
    11,512.32/17,270.64 = 7,969.38/x
  3. Step 3: Cross multiply
    11,512.32x = 17,270.64 × 7,969.38
  4. Step 4: Simplify right side
    11,512.32x = 137,636,293.00
  5. Step 5: Solve for x
    x = 137,636,293.00/11,512.32
  6. Step 6: Final answer
    x = 11,955.57

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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.