Home / 11,219.46-16,839.63-5,676.75

Finding the Fourth Proportional to 11,219.46, 16,839.63 and 5,676.75

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Solution

The fourth proportional to 11,219.46, 16,839.63 and 5,676.75 is: 8,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.46 : 16,839.63 = 5,676.75 : x
  2. Step 2: Convert to fraction form
    11,219.46/16,839.63 = 5,676.75/x
  3. Step 3: Cross multiply
    11,219.46x = 16,839.63 × 5,676.75
  4. Step 4: Simplify right side
    11,219.46x = 95,594,322.51
  5. Step 5: Solve for x
    x = 95,594,322.51/11,219.46
  6. Step 6: Final answer
    x = 8,520.40

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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.