Home / 21,202.46-29,257.23-12,252.85

Finding the Fourth Proportional to 21,202.46, 29,257.23 and 12,252.85

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Solution

The fourth proportional to 21,202.46, 29,257.23 and 12,252.85 is: 16,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.46 : 29,257.23 = 12,252.85 : x
  2. Step 2: Convert to fraction form
    21,202.46/29,257.23 = 12,252.85/x
  3. Step 3: Cross multiply
    21,202.46x = 29,257.23 × 12,252.85
  4. Step 4: Simplify right side
    21,202.46x = 358,484,450.61
  5. Step 5: Solve for x
    x = 358,484,450.61/21,202.46
  6. Step 6: Final answer
    x = 16,907.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.