Home / 12,485.67-17,225.24-11,122.26

Finding the Fourth Proportional to 12,485.67, 17,225.24 and 11,122.26

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Solution

The fourth proportional to 12,485.67, 17,225.24 and 11,122.26 is: 15,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.67 : 17,225.24 = 11,122.26 : x
  2. Step 2: Convert to fraction form
    12,485.67/17,225.24 = 11,122.26/x
  3. Step 3: Cross multiply
    12,485.67x = 17,225.24 × 11,122.26
  4. Step 4: Simplify right side
    12,485.67x = 191,583,542.23
  5. Step 5: Solve for x
    x = 191,583,542.23/12,485.67
  6. Step 6: Final answer
    x = 15,344.27

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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.