Home / 13,834.07-20,755.22-6,442.91

Finding the Fourth Proportional to 13,834.07, 20,755.22 and 6,442.91

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Solution

The fourth proportional to 13,834.07, 20,755.22 and 6,442.91 is: 9,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.07 : 20,755.22 = 6,442.91 : x
  2. Step 2: Convert to fraction form
    13,834.07/20,755.22 = 6,442.91/x
  3. Step 3: Cross multiply
    13,834.07x = 20,755.22 × 6,442.91
  4. Step 4: Simplify right side
    13,834.07x = 133,723,878.50
  5. Step 5: Solve for x
    x = 133,723,878.50/13,834.07
  6. Step 6: Final answer
    x = 9,666.28

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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.