Home / 11,150.46-16,724.85-4,127.18

Finding the Fourth Proportional to 11,150.46, 16,724.85 and 4,127.18

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Solution

The fourth proportional to 11,150.46, 16,724.85 and 4,127.18 is: 6,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.46 : 16,724.85 = 4,127.18 : x
  2. Step 2: Convert to fraction form
    11,150.46/16,724.85 = 4,127.18/x
  3. Step 3: Cross multiply
    11,150.46x = 16,724.85 × 4,127.18
  4. Step 4: Simplify right side
    11,150.46x = 69,026,382.80
  5. Step 5: Solve for x
    x = 69,026,382.80/11,150.46
  6. Step 6: Final answer
    x = 6,190.45

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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.