Home / 11,216.30-16,817.16-5,376.20

Finding the Fourth Proportional to 11,216.30, 16,817.16 and 5,376.20

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Solution

The fourth proportional to 11,216.30, 16,817.16 and 5,376.20 is: 8,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.30 : 16,817.16 = 5,376.20 : x
  2. Step 2: Convert to fraction form
    11,216.30/16,817.16 = 5,376.20/x
  3. Step 3: Cross multiply
    11,216.30x = 16,817.16 × 5,376.20
  4. Step 4: Simplify right side
    11,216.30x = 90,412,415.59
  5. Step 5: Solve for x
    x = 90,412,415.59/11,216.30
  6. Step 6: Final answer
    x = 8,060.81

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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.