Home / 21,071.97-31,597.92-6,275.70

Finding the Fourth Proportional to 21,071.97, 31,597.92 and 6,275.70

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Solution

The fourth proportional to 21,071.97, 31,597.92 and 6,275.70 is: 9,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071.97 : 31,597.92 = 6,275.70 : x
  2. Step 2: Convert to fraction form
    21,071.97/31,597.92 = 6,275.70/x
  3. Step 3: Cross multiply
    21,071.97x = 31,597.92 × 6,275.70
  4. Step 4: Simplify right side
    21,071.97x = 198,299,066.54
  5. Step 5: Solve for x
    x = 198,299,066.54/21,071.97
  6. Step 6: Final answer
    x = 9,410.56

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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.