Home / 10,285.72-15,429.12-3,266.29

Finding the Fourth Proportional to 10,285.72, 15,429.12 and 3,266.29

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Solution

The fourth proportional to 10,285.72, 15,429.12 and 3,266.29 is: 4,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.72 : 15,429.12 = 3,266.29 : x
  2. Step 2: Convert to fraction form
    10,285.72/15,429.12 = 3,266.29/x
  3. Step 3: Cross multiply
    10,285.72x = 15,429.12 × 3,266.29
  4. Step 4: Simplify right side
    10,285.72x = 50,395,987.40
  5. Step 5: Solve for x
    x = 50,395,987.40/10,285.72
  6. Step 6: Final answer
    x = 4,899.61

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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.