Home / 13,834.04-20,755.20-6,442.88

Finding the Fourth Proportional to 13,834.04, 20,755.20 and 6,442.88

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Solution

The fourth proportional to 13,834.04, 20,755.20 and 6,442.88 is: 9,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.04 : 20,755.20 = 6,442.88 : x
  2. Step 2: Convert to fraction form
    13,834.04/20,755.20 = 6,442.88/x
  3. Step 3: Cross multiply
    13,834.04x = 20,755.20 × 6,442.88
  4. Step 4: Simplify right side
    13,834.04x = 133,723,262.98
  5. Step 5: Solve for x
    x = 133,723,262.98/13,834.04
  6. Step 6: Final answer
    x = 9,666.25

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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.