Home / 19,351.50-29,027.61-5,500.86

Finding the Fourth Proportional to 19,351.50, 29,027.61 and 5,500.86

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Solution

The fourth proportional to 19,351.50, 29,027.61 and 5,500.86 is: 8,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.50 : 29,027.61 = 5,500.86 : x
  2. Step 2: Convert to fraction form
    19,351.50/29,027.61 = 5,500.86/x
  3. Step 3: Cross multiply
    19,351.50x = 29,027.61 × 5,500.86
  4. Step 4: Simplify right side
    19,351.50x = 159,676,818.74
  5. Step 5: Solve for x
    x = 159,676,818.74/19,351.50
  6. Step 6: Final answer
    x = 8,251.39

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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.