Home / 11,995.16-16,553.16-6,690.06

Finding the Fourth Proportional to 11,995.16, 16,553.16 and 6,690.06

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Solution

The fourth proportional to 11,995.16, 16,553.16 and 6,690.06 is: 9,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.16 : 16,553.16 = 6,690.06 : x
  2. Step 2: Convert to fraction form
    11,995.16/16,553.16 = 6,690.06/x
  3. Step 3: Cross multiply
    11,995.16x = 16,553.16 × 6,690.06
  4. Step 4: Simplify right side
    11,995.16x = 110,741,633.59
  5. Step 5: Solve for x
    x = 110,741,633.59/11,995.16
  6. Step 6: Final answer
    x = 9,232.20

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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.