Home / 11,247.50-16,871.25-3,456.31

Finding the Fourth Proportional to 11,247.50, 16,871.25 and 3,456.31

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Solution

The fourth proportional to 11,247.50, 16,871.25 and 3,456.31 is: 5,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.50 : 16,871.25 = 3,456.31 : x
  2. Step 2: Convert to fraction form
    11,247.50/16,871.25 = 3,456.31/x
  3. Step 3: Cross multiply
    11,247.50x = 16,871.25 × 3,456.31
  4. Step 4: Simplify right side
    11,247.50x = 58,312,270.09
  5. Step 5: Solve for x
    x = 58,312,270.09/11,247.50
  6. Step 6: Final answer
    x = 5,184.47

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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.