Home / 20,445.33-30,668.10-6,213.94

Finding the Fourth Proportional to 20,445.33, 30,668.10 and 6,213.94

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Solution

The fourth proportional to 20,445.33, 30,668.10 and 6,213.94 is: 9,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.33 : 30,668.10 = 6,213.94 : x
  2. Step 2: Convert to fraction form
    20,445.33/30,668.10 = 6,213.94/x
  3. Step 3: Cross multiply
    20,445.33x = 30,668.10 × 6,213.94
  4. Step 4: Simplify right side
    20,445.33x = 190,569,733.31
  5. Step 5: Solve for x
    x = 190,569,733.31/20,445.33
  6. Step 6: Final answer
    x = 9,320.94

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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.