Home / 13,265.24-19,898.46-12,626.85

Finding the Fourth Proportional to 13,265.24, 19,898.46 and 12,626.85

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Solution

The fourth proportional to 13,265.24, 19,898.46 and 12,626.85 is: 18,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.24 : 19,898.46 = 12,626.85 : x
  2. Step 2: Convert to fraction form
    13,265.24/19,898.46 = 12,626.85/x
  3. Step 3: Cross multiply
    13,265.24x = 19,898.46 × 12,626.85
  4. Step 4: Simplify right side
    13,265.24x = 251,254,944.27
  5. Step 5: Solve for x
    x = 251,254,944.27/13,265.24
  6. Step 6: Final answer
    x = 18,940.86

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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.