Home / 18,101.07-27,141.89-6,412.77

Finding the Fourth Proportional to 18,101.07, 27,141.89 and 6,412.77

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Solution

The fourth proportional to 18,101.07, 27,141.89 and 6,412.77 is: 9,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.07 : 27,141.89 = 6,412.77 : x
  2. Step 2: Convert to fraction form
    18,101.07/27,141.89 = 6,412.77/x
  3. Step 3: Cross multiply
    18,101.07x = 27,141.89 × 6,412.77
  4. Step 4: Simplify right side
    18,101.07x = 174,054,665.87
  5. Step 5: Solve for x
    x = 174,054,665.87/18,101.07
  6. Step 6: Final answer
    x = 9,615.71

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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.