Home / 18,322.26-27,485.01-9,998.70

Finding the Fourth Proportional to 18,322.26, 27,485.01 and 9,998.70

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Solution

The fourth proportional to 18,322.26, 27,485.01 and 9,998.70 is: 14,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.26 : 27,485.01 = 9,998.70 : x
  2. Step 2: Convert to fraction form
    18,322.26/27,485.01 = 9,998.70/x
  3. Step 3: Cross multiply
    18,322.26x = 27,485.01 × 9,998.70
  4. Step 4: Simplify right side
    18,322.26x = 274,814,369.49
  5. Step 5: Solve for x
    x = 274,814,369.49/18,322.26
  6. Step 6: Final answer
    x = 14,998.93

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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.