Home / 16,815.70-25,223.55-10,910.80

Finding the Fourth Proportional to 16,815.70, 25,223.55 and 10,910.80

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Solution

The fourth proportional to 16,815.70, 25,223.55 and 10,910.80 is: 16,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.70 : 25,223.55 = 10,910.80 : x
  2. Step 2: Convert to fraction form
    16,815.70/25,223.55 = 10,910.80/x
  3. Step 3: Cross multiply
    16,815.70x = 25,223.55 × 10,910.80
  4. Step 4: Simplify right side
    16,815.70x = 275,209,109.34
  5. Step 5: Solve for x
    x = 275,209,109.34/16,815.70
  6. Step 6: Final answer
    x = 16,366.20

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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.