Home / 19,288.08-28,939.26-7,609.44

Finding the Fourth Proportional to 19,288.08, 28,939.26 and 7,609.44

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Solution

The fourth proportional to 19,288.08, 28,939.26 and 7,609.44 is: 11,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.08 : 28,939.26 = 7,609.44 : x
  2. Step 2: Convert to fraction form
    19,288.08/28,939.26 = 7,609.44/x
  3. Step 3: Cross multiply
    19,288.08x = 28,939.26 × 7,609.44
  4. Step 4: Simplify right side
    19,288.08x = 220,211,562.61
  5. Step 5: Solve for x
    x = 220,211,562.61/19,288.08
  6. Step 6: Final answer
    x = 11,416.98

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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.