Home / 12,765.56-19,134.14-5,367.82

Finding the Fourth Proportional to 12,765.56, 19,134.14 and 5,367.82

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Solution

The fourth proportional to 12,765.56, 19,134.14 and 5,367.82 is: 8,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.56 : 19,134.14 = 5,367.82 : x
  2. Step 2: Convert to fraction form
    12,765.56/19,134.14 = 5,367.82/x
  3. Step 3: Cross multiply
    12,765.56x = 19,134.14 × 5,367.82
  4. Step 4: Simplify right side
    12,765.56x = 102,708,619.37
  5. Step 5: Solve for x
    x = 102,708,619.37/12,765.56
  6. Step 6: Final answer
    x = 8,045.76

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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.