Home / 12,729.26-19,082.37-4,519.34

Finding the Fourth Proportional to 12,729.26, 19,082.37 and 4,519.34

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Solution

The fourth proportional to 12,729.26, 19,082.37 and 4,519.34 is: 6,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.26 : 19,082.37 = 4,519.34 : x
  2. Step 2: Convert to fraction form
    12,729.26/19,082.37 = 4,519.34/x
  3. Step 3: Cross multiply
    12,729.26x = 19,082.37 × 4,519.34
  4. Step 4: Simplify right side
    12,729.26x = 86,239,718.04
  5. Step 5: Solve for x
    x = 86,239,718.04/12,729.26
  6. Step 6: Final answer
    x = 6,774.92

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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.