Home / 12,004.12-17,989.26-5,672.24

Finding the Fourth Proportional to 12,004.12, 17,989.26 and 5,672.24

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Solution

The fourth proportional to 12,004.12, 17,989.26 and 5,672.24 is: 8,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.12 : 17,989.26 = 5,672.24 : x
  2. Step 2: Convert to fraction form
    12,004.12/17,989.26 = 5,672.24/x
  3. Step 3: Cross multiply
    12,004.12x = 17,989.26 × 5,672.24
  4. Step 4: Simplify right side
    12,004.12x = 102,039,400.14
  5. Step 5: Solve for x
    x = 102,039,400.14/12,004.12
  6. Step 6: Final answer
    x = 8,500.36

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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.