Home / 11,153.61-16,731.96-3,760.19

Finding the Fourth Proportional to 11,153.61, 16,731.96 and 3,760.19

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Solution

The fourth proportional to 11,153.61, 16,731.96 and 3,760.19 is: 5,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.61 : 16,731.96 = 3,760.19 : x
  2. Step 2: Convert to fraction form
    11,153.61/16,731.96 = 3,760.19/x
  3. Step 3: Cross multiply
    11,153.61x = 16,731.96 × 3,760.19
  4. Step 4: Simplify right side
    11,153.61x = 62,915,279.11
  5. Step 5: Solve for x
    x = 62,915,279.11/11,153.61
  6. Step 6: Final answer
    x = 5,640.80

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1.5x scale

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.