Home / 10,021.30-15,029.24-3,777.32

Finding the Fourth Proportional to 10,021.30, 15,029.24 and 3,777.32

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Solution

The fourth proportional to 10,021.30, 15,029.24 and 3,777.32 is: 5,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.30 : 15,029.24 = 3,777.32 : x
  2. Step 2: Convert to fraction form
    10,021.30/15,029.24 = 3,777.32/x
  3. Step 3: Cross multiply
    10,021.30x = 15,029.24 × 3,777.32
  4. Step 4: Simplify right side
    10,021.30x = 56,770,248.84
  5. Step 5: Solve for x
    x = 56,770,248.84/10,021.30
  6. Step 6: Final answer
    x = 5,664.96

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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.