Home / 20,223.21-30,315.23-7,733.62

Finding the Fourth Proportional to 20,223.21, 30,315.23 and 7,733.62

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Solution

The fourth proportional to 20,223.21, 30,315.23 and 7,733.62 is: 11,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.21 : 30,315.23 = 7,733.62 : x
  2. Step 2: Convert to fraction form
    20,223.21/30,315.23 = 7,733.62/x
  3. Step 3: Cross multiply
    20,223.21x = 30,315.23 × 7,733.62
  4. Step 4: Simplify right side
    20,223.21x = 234,446,354.58
  5. Step 5: Solve for x
    x = 234,446,354.58/20,223.21
  6. Step 6: Final answer
    x = 11,592.93

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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.