Home / 16,538.38-24,819.92-7,779.44

Finding the Fourth Proportional to 16,538.38, 24,819.92 and 7,779.44

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Solution

The fourth proportional to 16,538.38, 24,819.92 and 7,779.44 is: 11,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,538.38 : 24,819.92 = 7,779.44 : x
  2. Step 2: Convert to fraction form
    16,538.38/24,819.92 = 7,779.44/x
  3. Step 3: Cross multiply
    16,538.38x = 24,819.92 × 7,779.44
  4. Step 4: Simplify right side
    16,538.38x = 193,085,130.77
  5. Step 5: Solve for x
    x = 193,085,130.77/16,538.38
  6. Step 6: Final answer
    x = 11,674.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.