Home / 11,724.32-17,570.64-4,321.82

Finding the Fourth Proportional to 11,724.32, 17,570.64 and 4,321.82

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Solution

The fourth proportional to 11,724.32, 17,570.64 and 4,321.82 is: 6,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.32 : 17,570.64 = 4,321.82 : x
  2. Step 2: Convert to fraction form
    11,724.32/17,570.64 = 4,321.82/x
  3. Step 3: Cross multiply
    11,724.32x = 17,570.64 × 4,321.82
  4. Step 4: Simplify right side
    11,724.32x = 75,937,143.36
  5. Step 5: Solve for x
    x = 75,937,143.36/11,724.32
  6. Step 6: Final answer
    x = 6,476.89

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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.