Home / 11,717.24-17,570.45-4,321.40

Finding the Fourth Proportional to 11,717.24, 17,570.45 and 4,321.40

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Solution

The fourth proportional to 11,717.24, 17,570.45 and 4,321.40 is: 6,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.24 : 17,570.45 = 4,321.40 : x
  2. Step 2: Convert to fraction form
    11,717.24/17,570.45 = 4,321.40/x
  3. Step 3: Cross multiply
    11,717.24x = 17,570.45 × 4,321.40
  4. Step 4: Simplify right side
    11,717.24x = 75,928,865.58
  5. Step 5: Solve for x
    x = 75,928,865.58/11,717.24
  6. Step 6: Final answer
    x = 6,480.10

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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.