Home / 16,779.91-25,189.30-9,003.91

Finding the Fourth Proportional to 16,779.91, 25,189.30 and 9,003.91

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Solution

The fourth proportional to 16,779.91, 25,189.30 and 9,003.91 is: 13,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.91 : 25,189.30 = 9,003.91 : x
  2. Step 2: Convert to fraction form
    16,779.91/25,189.30 = 9,003.91/x
  3. Step 3: Cross multiply
    16,779.91x = 25,189.30 × 9,003.91
  4. Step 4: Simplify right side
    16,779.91x = 226,802,064.22
  5. Step 5: Solve for x
    x = 226,802,064.22/16,779.91
  6. Step 6: Final answer
    x = 13,516.29

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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.