Home / 9,142.02-13,634.37-8,256.24

Finding the Fourth Proportional to 9,142.02, 13,634.37 and 8,256.24

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Solution

The fourth proportional to 9,142.02, 13,634.37 and 8,256.24 is: 12,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.02 : 13,634.37 = 8,256.24 : x
  2. Step 2: Convert to fraction form
    9,142.02/13,634.37 = 8,256.24/x
  3. Step 3: Cross multiply
    9,142.02x = 13,634.37 × 8,256.24
  4. Step 4: Simplify right side
    9,142.02x = 112,568,630.97
  5. Step 5: Solve for x
    x = 112,568,630.97/9,142.02
  6. Step 6: Final answer
    x = 12,313.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.