Home / 14,519.54-21,775.05-5,161.61

Finding the Fourth Proportional to 14,519.54, 21,775.05 and 5,161.61

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Solution

The fourth proportional to 14,519.54, 21,775.05 and 5,161.61 is: 7,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.54 : 21,775.05 = 5,161.61 : x
  2. Step 2: Convert to fraction form
    14,519.54/21,775.05 = 5,161.61/x
  3. Step 3: Cross multiply
    14,519.54x = 21,775.05 × 5,161.61
  4. Step 4: Simplify right side
    14,519.54x = 112,394,206.96
  5. Step 5: Solve for x
    x = 112,394,206.96/14,519.54
  6. Step 6: Final answer
    x = 7,740.90

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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.