Home / 11,012.49-15,197.11-5,976.72

Finding the Fourth Proportional to 11,012.49, 15,197.11 and 5,976.72

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Solution

The fourth proportional to 11,012.49, 15,197.11 and 5,976.72 is: 8,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.49 : 15,197.11 = 5,976.72 : x
  2. Step 2: Convert to fraction form
    11,012.49/15,197.11 = 5,976.72/x
  3. Step 3: Cross multiply
    11,012.49x = 15,197.11 × 5,976.72
  4. Step 4: Simplify right side
    11,012.49x = 90,828,871.28
  5. Step 5: Solve for x
    x = 90,828,871.28/11,012.49
  6. Step 6: Final answer
    x = 8,247.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.