Home / 18,313.03-27,450.39-8,458.77

Finding the Fourth Proportional to 18,313.03, 27,450.39 and 8,458.77

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Solution

The fourth proportional to 18,313.03, 27,450.39 and 8,458.77 is: 12,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.03 : 27,450.39 = 8,458.77 : x
  2. Step 2: Convert to fraction form
    18,313.03/27,450.39 = 8,458.77/x
  3. Step 3: Cross multiply
    18,313.03x = 27,450.39 × 8,458.77
  4. Step 4: Simplify right side
    18,313.03x = 232,196,670.08
  5. Step 5: Solve for x
    x = 232,196,670.08/18,313.03
  6. Step 6: Final answer
    x = 12,679.31

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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.