Home / 9,126.36-13,689.56-2,200.86

Finding the Fourth Proportional to 9,126.36, 13,689.56 and 2,200.86

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Solution

The fourth proportional to 9,126.36, 13,689.56 and 2,200.86 is: 3,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.36 : 13,689.56 = 2,200.86 : x
  2. Step 2: Convert to fraction form
    9,126.36/13,689.56 = 2,200.86/x
  3. Step 3: Cross multiply
    9,126.36x = 13,689.56 × 2,200.86
  4. Step 4: Simplify right side
    9,126.36x = 30,128,805.02
  5. Step 5: Solve for x
    x = 30,128,805.02/9,126.36
  6. Step 6: Final answer
    x = 3,301.29

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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.