Home / 10,950.30-16,428.60-3,159.09

Finding the Fourth Proportional to 10,950.30, 16,428.60 and 3,159.09

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Solution

The fourth proportional to 10,950.30, 16,428.60 and 3,159.09 is: 4,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.30 : 16,428.60 = 3,159.09 : x
  2. Step 2: Convert to fraction form
    10,950.30/16,428.60 = 3,159.09/x
  3. Step 3: Cross multiply
    10,950.30x = 16,428.60 × 3,159.09
  4. Step 4: Simplify right side
    10,950.30x = 51,899,425.97
  5. Step 5: Solve for x
    x = 51,899,425.97/10,950.30
  6. Step 6: Final answer
    x = 4,739.54

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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.