Home / 19,971.16-29,956.74-6,823.64

Finding the Fourth Proportional to 19,971.16, 29,956.74 and 6,823.64

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Solution

The fourth proportional to 19,971.16, 29,956.74 and 6,823.64 is: 10,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.16 : 29,956.74 = 6,823.64 : x
  2. Step 2: Convert to fraction form
    19,971.16/29,956.74 = 6,823.64/x
  3. Step 3: Cross multiply
    19,971.16x = 29,956.74 × 6,823.64
  4. Step 4: Simplify right side
    19,971.16x = 204,414,058.64
  5. Step 5: Solve for x
    x = 204,414,058.64/19,971.16
  6. Step 6: Final answer
    x = 10,235.46

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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.