Home / 16,809.45-25,217.94-5,123.85

Finding the Fourth Proportional to 16,809.45, 25,217.94 and 5,123.85

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Solution

The fourth proportional to 16,809.45, 25,217.94 and 5,123.85 is: 7,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.45 : 25,217.94 = 5,123.85 : x
  2. Step 2: Convert to fraction form
    16,809.45/25,217.94 = 5,123.85/x
  3. Step 3: Cross multiply
    16,809.45x = 25,217.94 × 5,123.85
  4. Step 4: Simplify right side
    16,809.45x = 129,212,941.87
  5. Step 5: Solve for x
    x = 129,212,941.87/16,809.45
  6. Step 6: Final answer
    x = 7,686.92

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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.