Home / 11,149.43-15,386.37-6,673.37

Finding the Fourth Proportional to 11,149.43, 15,386.37 and 6,673.37

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Solution

The fourth proportional to 11,149.43, 15,386.37 and 6,673.37 is: 9,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.43 : 15,386.37 = 6,673.37 : x
  2. Step 2: Convert to fraction form
    11,149.43/15,386.37 = 6,673.37/x
  3. Step 3: Cross multiply
    11,149.43x = 15,386.37 × 6,673.37
  4. Step 4: Simplify right side
    11,149.43x = 102,678,863.04
  5. Step 5: Solve for x
    x = 102,678,863.04/11,149.43
  6. Step 6: Final answer
    x = 9,209.34

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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.