Home / 10,939.92-16,411.48-3,541.92

Finding the Fourth Proportional to 10,939.92, 16,411.48 and 3,541.92

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Solution

The fourth proportional to 10,939.92, 16,411.48 and 3,541.92 is: 5,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.92 : 16,411.48 = 3,541.92 : x
  2. Step 2: Convert to fraction form
    10,939.92/16,411.48 = 3,541.92/x
  3. Step 3: Cross multiply
    10,939.92x = 16,411.48 × 3,541.92
  4. Step 4: Simplify right side
    10,939.92x = 58,128,149.24
  5. Step 5: Solve for x
    x = 58,128,149.24/10,939.92
  6. Step 6: Final answer
    x = 5,313.40

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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.