Home / 11,811.56-16,299.22-6,506.08

Finding the Fourth Proportional to 11,811.56, 16,299.22 and 6,506.08

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Solution

The fourth proportional to 11,811.56, 16,299.22 and 6,506.08 is: 8,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.56 : 16,299.22 = 6,506.08 : x
  2. Step 2: Convert to fraction form
    11,811.56/16,299.22 = 6,506.08/x
  3. Step 3: Cross multiply
    11,811.56x = 16,299.22 × 6,506.08
  4. Step 4: Simplify right side
    11,811.56x = 106,044,029.26
  5. Step 5: Solve for x
    x = 106,044,029.26/11,811.56
  6. Step 6: Final answer
    x = 8,977.99

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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.