Home / 10,305.96-14,222.22-5,590.26

Finding the Fourth Proportional to 10,305.96, 14,222.22 and 5,590.26

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Solution

The fourth proportional to 10,305.96, 14,222.22 and 5,590.26 is: 7,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.96 : 14,222.22 = 5,590.26 : x
  2. Step 2: Convert to fraction form
    10,305.96/14,222.22 = 5,590.26/x
  3. Step 3: Cross multiply
    10,305.96x = 14,222.22 × 5,590.26
  4. Step 4: Simplify right side
    10,305.96x = 79,505,907.58
  5. Step 5: Solve for x
    x = 79,505,907.58/10,305.96
  6. Step 6: Final answer
    x = 7,714.56

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1.5x scale

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.