Home / 11,026.69-16,540.90-3,129.08

Finding the Fourth Proportional to 11,026.69, 16,540.90 and 3,129.08

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Solution

The fourth proportional to 11,026.69, 16,540.90 and 3,129.08 is: 4,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.69 : 16,540.90 = 3,129.08 : x
  2. Step 2: Convert to fraction form
    11,026.69/16,540.90 = 3,129.08/x
  3. Step 3: Cross multiply
    11,026.69x = 16,540.90 × 3,129.08
  4. Step 4: Simplify right side
    11,026.69x = 51,757,708.84
  5. Step 5: Solve for x
    x = 51,757,708.84/11,026.69
  6. Step 6: Final answer
    x = 4,693.86

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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.