Home / 11,429.70-17,130.84-5,885.65

Finding the Fourth Proportional to 11,429.70, 17,130.84 and 5,885.65

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Solution

The fourth proportional to 11,429.70, 17,130.84 and 5,885.65 is: 8,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.70 : 17,130.84 = 5,885.65 : x
  2. Step 2: Convert to fraction form
    11,429.70/17,130.84 = 5,885.65/x
  3. Step 3: Cross multiply
    11,429.70x = 17,130.84 × 5,885.65
  4. Step 4: Simplify right side
    11,429.70x = 100,826,128.45
  5. Step 5: Solve for x
    x = 100,826,128.45/11,429.70
  6. Step 6: Final answer
    x = 8,821.42

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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.