Home / 11,980.22-17,971.56-4,590.92

Finding the Fourth Proportional to 11,980.22, 17,971.56 and 4,590.92

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Solution

The fourth proportional to 11,980.22, 17,971.56 and 4,590.92 is: 6,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.22 : 17,971.56 = 4,590.92 : x
  2. Step 2: Convert to fraction form
    11,980.22/17,971.56 = 4,590.92/x
  3. Step 3: Cross multiply
    11,980.22x = 17,971.56 × 4,590.92
  4. Step 4: Simplify right side
    11,980.22x = 82,505,994.24
  5. Step 5: Solve for x
    x = 82,505,994.24/11,980.22
  6. Step 6: Final answer
    x = 6,886.85

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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.