Home / 10,549.37-15,826.32-3,154.43

Finding the Fourth Proportional to 10,549.37, 15,826.32 and 3,154.43

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Solution

The fourth proportional to 10,549.37, 15,826.32 and 3,154.43 is: 4,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.37 : 15,826.32 = 3,154.43 : x
  2. Step 2: Convert to fraction form
    10,549.37/15,826.32 = 3,154.43/x
  3. Step 3: Cross multiply
    10,549.37x = 15,826.32 × 3,154.43
  4. Step 4: Simplify right side
    10,549.37x = 49,922,939.47
  5. Step 5: Solve for x
    x = 49,922,939.47/10,549.37
  6. Step 6: Final answer
    x = 4,732.32

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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.