Home / 11,863.41-16,371.54-6,485.91

Finding the Fourth Proportional to 11,863.41, 16,371.54 and 6,485.91

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Solution

The fourth proportional to 11,863.41, 16,371.54 and 6,485.91 is: 8,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.41 : 16,371.54 = 6,485.91 : x
  2. Step 2: Convert to fraction form
    11,863.41/16,371.54 = 6,485.91/x
  3. Step 3: Cross multiply
    11,863.41x = 16,371.54 × 6,485.91
  4. Step 4: Simplify right side
    11,863.41x = 106,184,335.00
  5. Step 5: Solve for x
    x = 106,184,335.00/11,863.41
  6. Step 6: Final answer
    x = 8,950.57

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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.