Home / 10,230.64-15,342.90-3,655.36

Finding the Fourth Proportional to 10,230.64, 15,342.90 and 3,655.36

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Solution

The fourth proportional to 10,230.64, 15,342.90 and 3,655.36 is: 5,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.64 : 15,342.90 = 3,655.36 : x
  2. Step 2: Convert to fraction form
    10,230.64/15,342.90 = 3,655.36/x
  3. Step 3: Cross multiply
    10,230.64x = 15,342.90 × 3,655.36
  4. Step 4: Simplify right side
    10,230.64x = 56,083,822.94
  5. Step 5: Solve for x
    x = 56,083,822.94/10,230.64
  6. Step 6: Final answer
    x = 5,481.95

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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.