Home / 13,834.09-20,750.99-6,434.44

Finding the Fourth Proportional to 13,834.09, 20,750.99 and 6,434.44

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Solution

The fourth proportional to 13,834.09, 20,750.99 and 6,434.44 is: 9,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.09 : 20,750.99 = 6,434.44 : x
  2. Step 2: Convert to fraction form
    13,834.09/20,750.99 = 6,434.44/x
  3. Step 3: Cross multiply
    13,834.09x = 20,750.99 × 6,434.44
  4. Step 4: Simplify right side
    13,834.09x = 133,520,916.05
  5. Step 5: Solve for x
    x = 133,520,916.05/13,834.09
  6. Step 6: Final answer
    x = 9,651.59

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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.