Home / 12,464.30-18,641.34-11,087.30

Finding the Fourth Proportional to 12,464.30, 18,641.34 and 11,087.30

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Solution

The fourth proportional to 12,464.30, 18,641.34 and 11,087.30 is: 16,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.30 : 18,641.34 = 11,087.30 : x
  2. Step 2: Convert to fraction form
    12,464.30/18,641.34 = 11,087.30/x
  3. Step 3: Cross multiply
    12,464.30x = 18,641.34 × 11,087.30
  4. Step 4: Simplify right side
    12,464.30x = 206,682,128.98
  5. Step 5: Solve for x
    x = 206,682,128.98/12,464.30
  6. Step 6: Final answer
    x = 16,581.93

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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.