Home / 11,567.54-17,351.31-6,640.31

Finding the Fourth Proportional to 11,567.54, 17,351.31 and 6,640.31

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Solution

The fourth proportional to 11,567.54, 17,351.31 and 6,640.31 is: 9,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.54 : 17,351.31 = 6,640.31 : x
  2. Step 2: Convert to fraction form
    11,567.54/17,351.31 = 6,640.31/x
  3. Step 3: Cross multiply
    11,567.54x = 17,351.31 × 6,640.31
  4. Step 4: Simplify right side
    11,567.54x = 115,217,990.55
  5. Step 5: Solve for x
    x = 115,217,990.55/11,567.54
  6. Step 6: Final answer
    x = 9,960.46

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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.