Home / 10,285.48-15,424.44-3,709.90

Finding the Fourth Proportional to 10,285.48, 15,424.44 and 3,709.90

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Solution

The fourth proportional to 10,285.48, 15,424.44 and 3,709.90 is: 5,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.48 : 15,424.44 = 3,709.90 : x
  2. Step 2: Convert to fraction form
    10,285.48/15,424.44 = 3,709.90/x
  3. Step 3: Cross multiply
    10,285.48x = 15,424.44 × 3,709.90
  4. Step 4: Simplify right side
    10,285.48x = 57,223,129.96
  5. Step 5: Solve for x
    x = 57,223,129.96/10,285.48
  6. Step 6: Final answer
    x = 5,563.49

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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.