Home / 11,225.72-16,839.36-4,205.60

Finding the Fourth Proportional to 11,225.72, 16,839.36 and 4,205.60

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Solution

The fourth proportional to 11,225.72, 16,839.36 and 4,205.60 is: 6,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.72 : 16,839.36 = 4,205.60 : x
  2. Step 2: Convert to fraction form
    11,225.72/16,839.36 = 4,205.60/x
  3. Step 3: Cross multiply
    11,225.72x = 16,839.36 × 4,205.60
  4. Step 4: Simplify right side
    11,225.72x = 70,819,612.42
  5. Step 5: Solve for x
    x = 70,819,612.42/11,225.72
  6. Step 6: Final answer
    x = 6,308.69

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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.