Home / 21,982.08-32,974.74-7,950.45

Finding the Fourth Proportional to 21,982.08, 32,974.74 and 7,950.45

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Solution

The fourth proportional to 21,982.08, 32,974.74 and 7,950.45 is: 11,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.08 : 32,974.74 = 7,950.45 : x
  2. Step 2: Convert to fraction form
    21,982.08/32,974.74 = 7,950.45/x
  3. Step 3: Cross multiply
    21,982.08x = 32,974.74 × 7,950.45
  4. Step 4: Simplify right side
    21,982.08x = 262,164,021.63
  5. Step 5: Solve for x
    x = 262,164,021.63/21,982.08
  6. Step 6: Final answer
    x = 11,926.26

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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.