Home / 12,950.45-19,425.69-5,550.11

Finding the Fourth Proportional to 12,950.45, 19,425.69 and 5,550.11

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Solution

The fourth proportional to 12,950.45, 19,425.69 and 5,550.11 is: 8,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.45 : 19,425.69 = 5,550.11 : x
  2. Step 2: Convert to fraction form
    12,950.45/19,425.69 = 5,550.11/x
  3. Step 3: Cross multiply
    12,950.45x = 19,425.69 × 5,550.11
  4. Step 4: Simplify right side
    12,950.45x = 107,814,764.89
  5. Step 5: Solve for x
    x = 107,814,764.89/12,950.45
  6. Step 6: Final answer
    x = 8,325.17

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Similar ratio
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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.