Home / 10,155.44-15,234.40-3,580.28

Finding the Fourth Proportional to 10,155.44, 15,234.40 and 3,580.28

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Solution

The fourth proportional to 10,155.44, 15,234.40 and 3,580.28 is: 5,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.44 : 15,234.40 = 3,580.28 : x
  2. Step 2: Convert to fraction form
    10,155.44/15,234.40 = 3,580.28/x
  3. Step 3: Cross multiply
    10,155.44x = 15,234.40 × 3,580.28
  4. Step 4: Simplify right side
    10,155.44x = 54,543,417.63
  5. Step 5: Solve for x
    x = 54,543,417.63/10,155.44
  6. Step 6: Final answer
    x = 5,370.86

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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.