Home / 12,592.11-18,884.75-6,660.93

Finding the Fourth Proportional to 12,592.11, 18,884.75 and 6,660.93

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Solution

The fourth proportional to 12,592.11, 18,884.75 and 6,660.93 is: 9,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.11 : 18,884.75 = 6,660.93 : x
  2. Step 2: Convert to fraction form
    12,592.11/18,884.75 = 6,660.93/x
  3. Step 3: Cross multiply
    12,592.11x = 18,884.75 × 6,660.93
  4. Step 4: Simplify right side
    12,592.11x = 125,790,035.33
  5. Step 5: Solve for x
    x = 125,790,035.33/12,592.11
  6. Step 6: Final answer
    x = 9,989.59

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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.