Home / 10,824.06-16,200.45-8,212.62

Finding the Fourth Proportional to 10,824.06, 16,200.45 and 8,212.62

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Solution

The fourth proportional to 10,824.06, 16,200.45 and 8,212.62 is: 12,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.06 : 16,200.45 = 8,212.62 : x
  2. Step 2: Convert to fraction form
    10,824.06/16,200.45 = 8,212.62/x
  3. Step 3: Cross multiply
    10,824.06x = 16,200.45 × 8,212.62
  4. Step 4: Simplify right side
    10,824.06x = 133,048,139.68
  5. Step 5: Solve for x
    x = 133,048,139.68/10,824.06
  6. Step 6: Final answer
    x = 12,291.89

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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.