Home / 11,315.73-16,958.07-8,540.13

Finding the Fourth Proportional to 11,315.73, 16,958.07 and 8,540.13

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Solution

The fourth proportional to 11,315.73, 16,958.07 and 8,540.13 is: 12,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.73 : 16,958.07 = 8,540.13 : x
  2. Step 2: Convert to fraction form
    11,315.73/16,958.07 = 8,540.13/x
  3. Step 3: Cross multiply
    11,315.73x = 16,958.07 × 8,540.13
  4. Step 4: Simplify right side
    11,315.73x = 144,824,122.35
  5. Step 5: Solve for x
    x = 144,824,122.35/11,315.73
  6. Step 6: Final answer
    x = 12,798.48

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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.