Home / 9,132.37-13,659.49-7,622.20

Finding the Fourth Proportional to 9,132.37, 13,659.49 and 7,622.20

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Solution

The fourth proportional to 9,132.37, 13,659.49 and 7,622.20 is: 11,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.37 : 13,659.49 = 7,622.20 : x
  2. Step 2: Convert to fraction form
    9,132.37/13,659.49 = 7,622.20/x
  3. Step 3: Cross multiply
    9,132.37x = 13,659.49 × 7,622.20
  4. Step 4: Simplify right side
    9,132.37x = 104,115,348.41
  5. Step 5: Solve for x
    x = 104,115,348.41/9,132.37
  6. Step 6: Final answer
    x = 11,400.69

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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.