Home / 19,006.85-28,508.46-5,855.69

Finding the Fourth Proportional to 19,006.85, 28,508.46 and 5,855.69

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Solution

The fourth proportional to 19,006.85, 28,508.46 and 5,855.69 is: 8,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.85 : 28,508.46 = 5,855.69 : x
  2. Step 2: Convert to fraction form
    19,006.85/28,508.46 = 5,855.69/x
  3. Step 3: Cross multiply
    19,006.85x = 28,508.46 × 5,855.69
  4. Step 4: Simplify right side
    19,006.85x = 166,936,753.45
  5. Step 5: Solve for x
    x = 166,936,753.45/19,006.85
  6. Step 6: Final answer
    x = 8,782.98

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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.