Home / 11,272.08-16,909.74-3,481.50

Finding the Fourth Proportional to 11,272.08, 16,909.74 and 3,481.50

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Solution

The fourth proportional to 11,272.08, 16,909.74 and 3,481.50 is: 5,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.08 : 16,909.74 = 3,481.50 : x
  2. Step 2: Convert to fraction form
    11,272.08/16,909.74 = 3,481.50/x
  3. Step 3: Cross multiply
    11,272.08x = 16,909.74 × 3,481.50
  4. Step 4: Simplify right side
    11,272.08x = 58,871,259.81
  5. Step 5: Solve for x
    x = 58,871,259.81/11,272.08
  6. Step 6: Final answer
    x = 5,222.75

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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.