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Finding the Fourth Proportional to 10,663.44, 15,994.48 and 3,267.20

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Solution

The fourth proportional to 10,663.44, 15,994.48 and 3,267.20 is: 4,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.44 : 15,994.48 = 3,267.20 : x
  2. Step 2: Convert to fraction form
    10,663.44/15,994.48 = 3,267.20/x
  3. Step 3: Cross multiply
    10,663.44x = 15,994.48 × 3,267.20
  4. Step 4: Simplify right side
    10,663.44x = 52,257,165.06
  5. Step 5: Solve for x
    x = 52,257,165.06/10,663.44
  6. Step 6: Final answer
    x = 4,900.59

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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.