Home / 11,863.89-16,371.88-6,558.59

Finding the Fourth Proportional to 11,863.89, 16,371.88 and 6,558.59

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Solution

The fourth proportional to 11,863.89, 16,371.88 and 6,558.59 is: 9,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.89 : 16,371.88 = 6,558.59 : x
  2. Step 2: Convert to fraction form
    11,863.89/16,371.88 = 6,558.59/x
  3. Step 3: Cross multiply
    11,863.89x = 16,371.88 × 6,558.59
  4. Step 4: Simplify right side
    11,863.89x = 107,376,472.98
  5. Step 5: Solve for x
    x = 107,376,472.98/11,863.89
  6. Step 6: Final answer
    x = 9,050.70

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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.