Home / 11,083.47-15,281.36-7,098.03

Finding the Fourth Proportional to 11,083.47, 15,281.36 and 7,098.03

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Solution

The fourth proportional to 11,083.47, 15,281.36 and 7,098.03 is: 9,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.47 : 15,281.36 = 7,098.03 : x
  2. Step 2: Convert to fraction form
    11,083.47/15,281.36 = 7,098.03/x
  3. Step 3: Cross multiply
    11,083.47x = 15,281.36 × 7,098.03
  4. Step 4: Simplify right side
    11,083.47x = 108,467,516.23
  5. Step 5: Solve for x
    x = 108,467,516.23/11,083.47
  6. Step 6: Final answer
    x = 9,786.42

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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.