Home / 12,029.33-18,043.58-5,450.91

Finding the Fourth Proportional to 12,029.33, 18,043.58 and 5,450.91

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Solution

The fourth proportional to 12,029.33, 18,043.58 and 5,450.91 is: 8,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.33 : 18,043.58 = 5,450.91 : x
  2. Step 2: Convert to fraction form
    12,029.33/18,043.58 = 5,450.91/x
  3. Step 3: Cross multiply
    12,029.33x = 18,043.58 × 5,450.91
  4. Step 4: Simplify right side
    12,029.33x = 98,353,903.40
  5. Step 5: Solve for x
    x = 98,353,903.40/12,029.33
  6. Step 6: Final answer
    x = 8,176.18

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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.