Home / 15,786.03-23,674.33-13,005.81

Finding the Fourth Proportional to 15,786.03, 23,674.33 and 13,005.81

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Solution

The fourth proportional to 15,786.03, 23,674.33 and 13,005.81 is: 19,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.03 : 23,674.33 = 13,005.81 : x
  2. Step 2: Convert to fraction form
    15,786.03/23,674.33 = 13,005.81/x
  3. Step 3: Cross multiply
    15,786.03x = 23,674.33 × 13,005.81
  4. Step 4: Simplify right side
    15,786.03x = 307,903,837.86
  5. Step 5: Solve for x
    x = 307,903,837.86/15,786.03
  6. Step 6: Final answer
    x = 19,504.83

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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.