Home / 11,824.20-16,319.34-7,111.08

Finding the Fourth Proportional to 11,824.20, 16,319.34 and 7,111.08

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Solution

The fourth proportional to 11,824.20, 16,319.34 and 7,111.08 is: 9,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.20 : 16,319.34 = 7,111.08 : x
  2. Step 2: Convert to fraction form
    11,824.20/16,319.34 = 7,111.08/x
  3. Step 3: Cross multiply
    11,824.20x = 16,319.34 × 7,111.08
  4. Step 4: Simplify right side
    11,824.20x = 116,048,132.29
  5. Step 5: Solve for x
    x = 116,048,132.29/11,824.20
  6. Step 6: Final answer
    x = 9,814.46

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