Home / 12,450.48-17,180.79-7,415.04

Finding the Fourth Proportional to 12,450.48, 17,180.79 and 7,415.04

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Solution

The fourth proportional to 12,450.48, 17,180.79 and 7,415.04 is: 10,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.48 : 17,180.79 = 7,415.04 : x
  2. Step 2: Convert to fraction form
    12,450.48/17,180.79 = 7,415.04/x
  3. Step 3: Cross multiply
    12,450.48x = 17,180.79 × 7,415.04
  4. Step 4: Simplify right side
    12,450.48x = 127,396,245.08
  5. Step 5: Solve for x
    x = 127,396,245.08/12,450.48
  6. Step 6: Final answer
    x = 10,232.24

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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.