Home / 16,911.40-23,345.88-11,255.56

Finding the Fourth Proportional to 16,911.40, 23,345.88 and 11,255.56

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Solution

The fourth proportional to 16,911.40, 23,345.88 and 11,255.56 is: 15,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.40 : 23,345.88 = 11,255.56 : x
  2. Step 2: Convert to fraction form
    16,911.40/23,345.88 = 11,255.56/x
  3. Step 3: Cross multiply
    16,911.40x = 23,345.88 × 11,255.56
  4. Step 4: Simplify right side
    16,911.40x = 262,770,953.09
  5. Step 5: Solve for x
    x = 262,770,953.09/16,911.40
  6. Step 6: Final answer
    x = 15,538.10

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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.