Home / 20,181.33-30,272.06-7,024.50

Finding the Fourth Proportional to 20,181.33, 30,272.06 and 7,024.50

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Solution

The fourth proportional to 20,181.33, 30,272.06 and 7,024.50 is: 10,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.33 : 30,272.06 = 7,024.50 : x
  2. Step 2: Convert to fraction form
    20,181.33/30,272.06 = 7,024.50/x
  3. Step 3: Cross multiply
    20,181.33x = 30,272.06 × 7,024.50
  4. Step 4: Simplify right side
    20,181.33x = 212,646,103.03
  5. Step 5: Solve for x
    x = 212,646,103.03/20,181.33
  6. Step 6: Final answer
    x = 10,536.77

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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.