Home / 14,234.10-21,351.15-12,824.70

Finding the Fourth Proportional to 14,234.10, 21,351.15 and 12,824.70

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Solution

The fourth proportional to 14,234.10, 21,351.15 and 12,824.70 is: 19,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.10 : 21,351.15 = 12,824.70 : x
  2. Step 2: Convert to fraction form
    14,234.10/21,351.15 = 12,824.70/x
  3. Step 3: Cross multiply
    14,234.10x = 21,351.15 × 12,824.70
  4. Step 4: Simplify right side
    14,234.10x = 273,822,093.41
  5. Step 5: Solve for x
    x = 273,822,093.41/14,234.10
  6. Step 6: Final answer
    x = 19,237.05

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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.