Home / 11,779.92-16,250.85-7,529.85

Finding the Fourth Proportional to 11,779.92, 16,250.85 and 7,529.85

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Solution

The fourth proportional to 11,779.92, 16,250.85 and 7,529.85 is: 10,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.92 : 16,250.85 = 7,529.85 : x
  2. Step 2: Convert to fraction form
    11,779.92/16,250.85 = 7,529.85/x
  3. Step 3: Cross multiply
    11,779.92x = 16,250.85 × 7,529.85
  4. Step 4: Simplify right side
    11,779.92x = 122,366,462.87
  5. Step 5: Solve for x
    x = 122,366,462.87/11,779.92
  6. Step 6: Final answer
    x = 10,387.72

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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.