Home / 18,467.09-27,700.73-5,319.77

Finding the Fourth Proportional to 18,467.09, 27,700.73 and 5,319.77

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Solution

The fourth proportional to 18,467.09, 27,700.73 and 5,319.77 is: 7,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.09 : 27,700.73 = 5,319.77 : x
  2. Step 2: Convert to fraction form
    18,467.09/27,700.73 = 5,319.77/x
  3. Step 3: Cross multiply
    18,467.09x = 27,700.73 × 5,319.77
  4. Step 4: Simplify right side
    18,467.09x = 147,361,485.83
  5. Step 5: Solve for x
    x = 147,361,485.83/18,467.09
  6. Step 6: Final answer
    x = 7,979.68

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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.