Home / 18,164.32-27,252.96-10,379.68

Finding the Fourth Proportional to 18,164.32, 27,252.96 and 10,379.68

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Solution

The fourth proportional to 18,164.32, 27,252.96 and 10,379.68 is: 15,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.32 : 27,252.96 = 10,379.68 : x
  2. Step 2: Convert to fraction form
    18,164.32/27,252.96 = 10,379.68/x
  3. Step 3: Cross multiply
    18,164.32x = 27,252.96 × 10,379.68
  4. Step 4: Simplify right side
    18,164.32x = 282,877,003.85
  5. Step 5: Solve for x
    x = 282,877,003.85/18,164.32
  6. Step 6: Final answer
    x = 15,573.22

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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.