Home / 14,108.70-21,211.85-13,195.10

Finding the Fourth Proportional to 14,108.70, 21,211.85 and 13,195.10

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Solution

The fourth proportional to 14,108.70, 21,211.85 and 13,195.10 is: 19,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.70 : 21,211.85 = 13,195.10 : x
  2. Step 2: Convert to fraction form
    14,108.70/21,211.85 = 13,195.10/x
  3. Step 3: Cross multiply
    14,108.70x = 21,211.85 × 13,195.10
  4. Step 4: Simplify right side
    14,108.70x = 279,892,481.94
  5. Step 5: Solve for x
    x = 279,892,481.94/14,108.70
  6. Step 6: Final answer
    x = 19,838.29

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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.