Home / 12,675.14-19,004.61-5,284.70

Finding the Fourth Proportional to 12,675.14, 19,004.61 and 5,284.70

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Solution

The fourth proportional to 12,675.14, 19,004.61 and 5,284.70 is: 7,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.14 : 19,004.61 = 5,284.70 : x
  2. Step 2: Convert to fraction form
    12,675.14/19,004.61 = 5,284.70/x
  3. Step 3: Cross multiply
    12,675.14x = 19,004.61 × 5,284.70
  4. Step 4: Simplify right side
    12,675.14x = 100,433,662.47
  5. Step 5: Solve for x
    x = 100,433,662.47/12,675.14
  6. Step 6: Final answer
    x = 7,923.67

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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.