Home / 11,995.34-16,553.60-6,690.50

Finding the Fourth Proportional to 11,995.34, 16,553.60 and 6,690.50

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Solution

The fourth proportional to 11,995.34, 16,553.60 and 6,690.50 is: 9,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.34 : 16,553.60 = 6,690.50 : x
  2. Step 2: Convert to fraction form
    11,995.34/16,553.60 = 6,690.50/x
  3. Step 3: Cross multiply
    11,995.34x = 16,553.60 × 6,690.50
  4. Step 4: Simplify right side
    11,995.34x = 110,751,744.58
  5. Step 5: Solve for x
    x = 110,751,744.58/11,995.34
  6. Step 6: Final answer
    x = 9,232.90

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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.