Home / 16,819.50-23,213.13-10,868.49

Finding the Fourth Proportional to 16,819.50, 23,213.13 and 10,868.49

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Solution

The fourth proportional to 16,819.50, 23,213.13 and 10,868.49 is: 14,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.50 : 23,213.13 = 10,868.49 : x
  2. Step 2: Convert to fraction form
    16,819.50/23,213.13 = 10,868.49/x
  3. Step 3: Cross multiply
    16,819.50x = 23,213.13 × 10,868.49
  4. Step 4: Simplify right side
    16,819.50x = 252,291,671.27
  5. Step 5: Solve for x
    x = 252,291,671.27/16,819.50
  6. Step 6: Final answer
    x = 14,999.95

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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.