Home / 13,029.16-19,544.82-7,189.78

Finding the Fourth Proportional to 13,029.16, 19,544.82 and 7,189.78

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Solution

The fourth proportional to 13,029.16, 19,544.82 and 7,189.78 is: 10,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.16 : 19,544.82 = 7,189.78 : x
  2. Step 2: Convert to fraction form
    13,029.16/19,544.82 = 7,189.78/x
  3. Step 3: Cross multiply
    13,029.16x = 19,544.82 × 7,189.78
  4. Step 4: Simplify right side
    13,029.16x = 140,522,955.94
  5. Step 5: Solve for x
    x = 140,522,955.94/13,029.16
  6. Step 6: Final answer
    x = 10,785.27

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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.