Home / 11,329.19-16,987.10-3,429.30

Finding the Fourth Proportional to 11,329.19, 16,987.10 and 3,429.30

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Solution

The fourth proportional to 11,329.19, 16,987.10 and 3,429.30 is: 5,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.19 : 16,987.10 = 3,429.30 : x
  2. Step 2: Convert to fraction form
    11,329.19/16,987.10 = 3,429.30/x
  3. Step 3: Cross multiply
    11,329.19x = 16,987.10 × 3,429.30
  4. Step 4: Simplify right side
    11,329.19x = 58,253,844.88
  5. Step 5: Solve for x
    x = 58,253,844.88/11,329.19
  6. Step 6: Final answer
    x = 5,141.93

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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.