Home / 11,085.60-16,632.45-5,237.82

Finding the Fourth Proportional to 11,085.60, 16,632.45 and 5,237.82

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Solution

The fourth proportional to 11,085.60, 16,632.45 and 5,237.82 is: 7,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.60 : 16,632.45 = 5,237.82 : x
  2. Step 2: Convert to fraction form
    11,085.60/16,632.45 = 5,237.82/x
  3. Step 3: Cross multiply
    11,085.60x = 16,632.45 × 5,237.82
  4. Step 4: Simplify right side
    11,085.60x = 87,117,779.26
  5. Step 5: Solve for x
    x = 87,117,779.26/11,085.60
  6. Step 6: Final answer
    x = 7,858.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.