Home / 11,414.80-15,752.38-6,379.02

Finding the Fourth Proportional to 11,414.80, 15,752.38 and 6,379.02

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Solution

The fourth proportional to 11,414.80, 15,752.38 and 6,379.02 is: 8,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.80 : 15,752.38 = 6,379.02 : x
  2. Step 2: Convert to fraction form
    11,414.80/15,752.38 = 6,379.02/x
  3. Step 3: Cross multiply
    11,414.80x = 15,752.38 × 6,379.02
  4. Step 4: Simplify right side
    11,414.80x = 100,484,810.37
  5. Step 5: Solve for x
    x = 100,484,810.37/11,414.80
  6. Step 6: Final answer
    x = 8,803.03

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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.