Home / 12,327.42-17,011.85-6,662.16

Finding the Fourth Proportional to 12,327.42, 17,011.85 and 6,662.16

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Solution

The fourth proportional to 12,327.42, 17,011.85 and 6,662.16 is: 9,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.42 : 17,011.85 = 6,662.16 : x
  2. Step 2: Convert to fraction form
    12,327.42/17,011.85 = 6,662.16/x
  3. Step 3: Cross multiply
    12,327.42x = 17,011.85 × 6,662.16
  4. Step 4: Simplify right side
    12,327.42x = 113,335,633.29
  5. Step 5: Solve for x
    x = 113,335,633.29/12,327.42
  6. Step 6: Final answer
    x = 9,193.78

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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.