Home / 11,813.41-16,301.90-6,508.11

Finding the Fourth Proportional to 11,813.41, 16,301.90 and 6,508.11

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Solution

The fourth proportional to 11,813.41, 16,301.90 and 6,508.11 is: 8,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.41 : 16,301.90 = 6,508.11 : x
  2. Step 2: Convert to fraction form
    11,813.41/16,301.90 = 6,508.11/x
  3. Step 3: Cross multiply
    11,813.41x = 16,301.90 × 6,508.11
  4. Step 4: Simplify right side
    11,813.41x = 106,094,558.41
  5. Step 5: Solve for x
    x = 106,094,558.41/11,813.41
  6. Step 6: Final answer
    x = 8,980.86

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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.