Home / 12,379.56-17,073.84-10,884.36

Finding the Fourth Proportional to 12,379.56, 17,073.84 and 10,884.36

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Solution

The fourth proportional to 12,379.56, 17,073.84 and 10,884.36 is: 15,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.56 : 17,073.84 = 10,884.36 : x
  2. Step 2: Convert to fraction form
    12,379.56/17,073.84 = 10,884.36/x
  3. Step 3: Cross multiply
    12,379.56x = 17,073.84 × 10,884.36
  4. Step 4: Simplify right side
    12,379.56x = 185,837,821.14
  5. Step 5: Solve for x
    x = 185,837,821.14/12,379.56
  6. Step 6: Final answer
    x = 15,011.67

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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.