Home / 12,329.64-18,487.42-7,334.12

Finding the Fourth Proportional to 12,329.64, 18,487.42 and 7,334.12

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Solution

The fourth proportional to 12,329.64, 18,487.42 and 7,334.12 is: 10,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.64 : 18,487.42 = 7,334.12 : x
  2. Step 2: Convert to fraction form
    12,329.64/18,487.42 = 7,334.12/x
  3. Step 3: Cross multiply
    12,329.64x = 18,487.42 × 7,334.12
  4. Step 4: Simplify right side
    12,329.64x = 135,588,956.77
  5. Step 5: Solve for x
    x = 135,588,956.77/12,329.64
  6. Step 6: Final answer
    x = 10,996.99

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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.