Home / 11,224.21-16,842.03-7,478.55

Finding the Fourth Proportional to 11,224.21, 16,842.03 and 7,478.55

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Solution

The fourth proportional to 11,224.21, 16,842.03 and 7,478.55 is: 11,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.21 : 16,842.03 = 7,478.55 : x
  2. Step 2: Convert to fraction form
    11,224.21/16,842.03 = 7,478.55/x
  3. Step 3: Cross multiply
    11,224.21x = 16,842.03 × 7,478.55
  4. Step 4: Simplify right side
    11,224.21x = 125,953,982.78
  5. Step 5: Solve for x
    x = 125,953,982.78/11,224.21
  6. Step 6: Final answer
    x = 11,221.64

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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.