Home / 18,735.03-25,859.55-10,779.82

Finding the Fourth Proportional to 18,735.03, 25,859.55 and 10,779.82

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Solution

The fourth proportional to 18,735.03, 25,859.55 and 10,779.82 is: 14,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.03 : 25,859.55 = 10,779.82 : x
  2. Step 2: Convert to fraction form
    18,735.03/25,859.55 = 10,779.82/x
  3. Step 3: Cross multiply
    18,735.03x = 25,859.55 × 10,779.82
  4. Step 4: Simplify right side
    18,735.03x = 278,761,270.06
  5. Step 5: Solve for x
    x = 278,761,270.06/18,735.03
  6. Step 6: Final answer
    x = 14,879.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.