Home / 21,016.82-31,525.14-6,225.84

Finding the Fourth Proportional to 21,016.82, 31,525.14 and 6,225.84

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Solution

The fourth proportional to 21,016.82, 31,525.14 and 6,225.84 is: 9,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016.82 : 31,525.14 = 6,225.84 : x
  2. Step 2: Convert to fraction form
    21,016.82/31,525.14 = 6,225.84/x
  3. Step 3: Cross multiply
    21,016.82x = 31,525.14 × 6,225.84
  4. Step 4: Simplify right side
    21,016.82x = 196,270,477.62
  5. Step 5: Solve for x
    x = 196,270,477.62/21,016.82
  6. Step 6: Final answer
    x = 9,338.73

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1.5x scale

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.