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Finding the Fourth Proportional to 16,662.20, 22,994.53 and 9,588.64

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Solution

The fourth proportional to 16,662.20, 22,994.53 and 9,588.64 is: 13,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,662.20 : 22,994.53 = 9,588.64 : x
  2. Step 2: Convert to fraction form
    16,662.20/22,994.53 = 9,588.64/x
  3. Step 3: Cross multiply
    16,662.20x = 22,994.53 × 9,588.64
  4. Step 4: Simplify right side
    16,662.20x = 220,486,270.14
  5. Step 5: Solve for x
    x = 220,486,270.14/16,662.20
  6. Step 6: Final answer
    x = 13,232.72

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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.