Home / 11,184.72-16,776.96-4,259.28

Finding the Fourth Proportional to 11,184.72, 16,776.96 and 4,259.28

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Solution

The fourth proportional to 11,184.72, 16,776.96 and 4,259.28 is: 6,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.72 : 16,776.96 = 4,259.28 : x
  2. Step 2: Convert to fraction form
    11,184.72/16,776.96 = 4,259.28/x
  3. Step 3: Cross multiply
    11,184.72x = 16,776.96 × 4,259.28
  4. Step 4: Simplify right side
    11,184.72x = 71,457,770.19
  5. Step 5: Solve for x
    x = 71,457,770.19/11,184.72
  6. Step 6: Final answer
    x = 6,388.87

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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.