Home / 14,391.30-21,635.55-12,252.90

Finding the Fourth Proportional to 14,391.30, 21,635.55 and 12,252.90

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Solution

The fourth proportional to 14,391.30, 21,635.55 and 12,252.90 is: 18,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.30 : 21,635.55 = 12,252.90 : x
  2. Step 2: Convert to fraction form
    14,391.30/21,635.55 = 12,252.90/x
  3. Step 3: Cross multiply
    14,391.30x = 21,635.55 × 12,252.90
  4. Step 4: Simplify right side
    14,391.30x = 265,098,230.60
  5. Step 5: Solve for x
    x = 265,098,230.60/14,391.30
  6. Step 6: Final answer
    x = 18,420.73

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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.