Home / 10,883.82-16,330.74-6,450.28

Finding the Fourth Proportional to 10,883.82, 16,330.74 and 6,450.28

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Solution

The fourth proportional to 10,883.82, 16,330.74 and 6,450.28 is: 9,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.82 : 16,330.74 = 6,450.28 : x
  2. Step 2: Convert to fraction form
    10,883.82/16,330.74 = 6,450.28/x
  3. Step 3: Cross multiply
    10,883.82x = 16,330.74 × 6,450.28
  4. Step 4: Simplify right side
    10,883.82x = 105,337,780.59
  5. Step 5: Solve for x
    x = 105,337,780.59/10,883.82
  6. Step 6: Final answer
    x = 9,678.38

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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.