Home / 10,780.70-16,160.11-4,197.83

Finding the Fourth Proportional to 10,780.70, 16,160.11 and 4,197.83

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Solution

The fourth proportional to 10,780.70, 16,160.11 and 4,197.83 is: 6,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.70 : 16,160.11 = 4,197.83 : x
  2. Step 2: Convert to fraction form
    10,780.70/16,160.11 = 4,197.83/x
  3. Step 3: Cross multiply
    10,780.70x = 16,160.11 × 4,197.83
  4. Step 4: Simplify right side
    10,780.70x = 67,837,303.27
  5. Step 5: Solve for x
    x = 67,837,303.27/10,780.70
  6. Step 6: Final answer
    x = 6,292.48

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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.