Home / 10,729.90-16,089.45-6,348.70

Finding the Fourth Proportional to 10,729.90, 16,089.45 and 6,348.70

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Solution

The fourth proportional to 10,729.90, 16,089.45 and 6,348.70 is: 9,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.90 : 16,089.45 = 6,348.70 : x
  2. Step 2: Convert to fraction form
    10,729.90/16,089.45 = 6,348.70/x
  3. Step 3: Cross multiply
    10,729.90x = 16,089.45 × 6,348.70
  4. Step 4: Simplify right side
    10,729.90x = 102,147,091.22
  5. Step 5: Solve for x
    x = 102,147,091.22/10,729.90
  6. Step 6: Final answer
    x = 9,519.85

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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.