Home / 11,242.76-16,861.05-4,222.23

Finding the Fourth Proportional to 11,242.76, 16,861.05 and 4,222.23

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Solution

The fourth proportional to 11,242.76, 16,861.05 and 4,222.23 is: 6,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.76 : 16,861.05 = 4,222.23 : x
  2. Step 2: Convert to fraction form
    11,242.76/16,861.05 = 4,222.23/x
  3. Step 3: Cross multiply
    11,242.76x = 16,861.05 × 4,222.23
  4. Step 4: Simplify right side
    11,242.76x = 71,191,188.69
  5. Step 5: Solve for x
    x = 71,191,188.69/11,242.76
  6. Step 6: Final answer
    x = 6,332.18

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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.