Home / 12,242.06-18,371.29-4,450.87

Finding the Fourth Proportional to 12,242.06, 18,371.29 and 4,450.87

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Solution

The fourth proportional to 12,242.06, 18,371.29 and 4,450.87 is: 6,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.06 : 18,371.29 = 4,450.87 : x
  2. Step 2: Convert to fraction form
    12,242.06/18,371.29 = 4,450.87/x
  3. Step 3: Cross multiply
    12,242.06x = 18,371.29 × 4,450.87
  4. Step 4: Simplify right side
    12,242.06x = 81,768,223.52
  5. Step 5: Solve for x
    x = 81,768,223.52/12,242.06
  6. Step 6: Final answer
    x = 6,679.29

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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.