Home / 11,816.41-16,306.99-6,511.57

Finding the Fourth Proportional to 11,816.41, 16,306.99 and 6,511.57

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Solution

The fourth proportional to 11,816.41, 16,306.99 and 6,511.57 is: 8,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.41 : 16,306.99 = 6,511.57 : x
  2. Step 2: Convert to fraction form
    11,816.41/16,306.99 = 6,511.57/x
  3. Step 3: Cross multiply
    11,816.41x = 16,306.99 × 6,511.57
  4. Step 4: Simplify right side
    11,816.41x = 106,184,110.91
  5. Step 5: Solve for x
    x = 106,184,110.91/11,816.41
  6. Step 6: Final answer
    x = 8,986.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.