Home / 11,254.24-16,855.98-5,415.22

Finding the Fourth Proportional to 11,254.24, 16,855.98 and 5,415.22

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Solution

The fourth proportional to 11,254.24, 16,855.98 and 5,415.22 is: 8,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.24 : 16,855.98 = 5,415.22 : x
  2. Step 2: Convert to fraction form
    11,254.24/16,855.98 = 5,415.22/x
  3. Step 3: Cross multiply
    11,254.24x = 16,855.98 × 5,415.22
  4. Step 4: Simplify right side
    11,254.24x = 91,278,840.02
  5. Step 5: Solve for x
    x = 91,278,840.02/11,254.24
  6. Step 6: Final answer
    x = 8,110.62

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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.