Home / 13,477.25-18,610.07-8,449.89

Finding the Fourth Proportional to 13,477.25, 18,610.07 and 8,449.89

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Solution

The fourth proportional to 13,477.25, 18,610.07 and 8,449.89 is: 11,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.25 : 18,610.07 = 8,449.89 : x
  2. Step 2: Convert to fraction form
    13,477.25/18,610.07 = 8,449.89/x
  3. Step 3: Cross multiply
    13,477.25x = 18,610.07 × 8,449.89
  4. Step 4: Simplify right side
    13,477.25x = 157,253,002.14
  5. Step 5: Solve for x
    x = 157,253,002.14/13,477.25
  6. Step 6: Final answer
    x = 11,668.04

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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.