Home / 11,824.20-17,724.32-7,666.84

Finding the Fourth Proportional to 11,824.20, 17,724.32 and 7,666.84

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Solution

The fourth proportional to 11,824.20, 17,724.32 and 7,666.84 is: 11,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.20 : 17,724.32 = 7,666.84 : x
  2. Step 2: Convert to fraction form
    11,824.20/17,724.32 = 7,666.84/x
  3. Step 3: Cross multiply
    11,824.20x = 17,724.32 × 7,666.84
  4. Step 4: Simplify right side
    11,824.20x = 135,889,487.21
  5. Step 5: Solve for x
    x = 135,889,487.21/11,824.20
  6. Step 6: Final answer
    x = 11,492.49

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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.