Home / 13,234.20-19,851.30-12,363.80

Finding the Fourth Proportional to 13,234.20, 19,851.30 and 12,363.80

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Solution

The fourth proportional to 13,234.20, 19,851.30 and 12,363.80 is: 18,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.20 : 19,851.30 = 12,363.80 : x
  2. Step 2: Convert to fraction form
    13,234.20/19,851.30 = 12,363.80/x
  3. Step 3: Cross multiply
    13,234.20x = 19,851.30 × 12,363.80
  4. Step 4: Simplify right side
    13,234.20x = 245,437,502.94
  5. Step 5: Solve for x
    x = 245,437,502.94/13,234.20
  6. Step 6: Final answer
    x = 18,545.70

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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.