Home / 11,609.43-16,021.35-6,304.61

Finding the Fourth Proportional to 11,609.43, 16,021.35 and 6,304.61

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Solution

The fourth proportional to 11,609.43, 16,021.35 and 6,304.61 is: 8,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.43 : 16,021.35 = 6,304.61 : x
  2. Step 2: Convert to fraction form
    11,609.43/16,021.35 = 6,304.61/x
  3. Step 3: Cross multiply
    11,609.43x = 16,021.35 × 6,304.61
  4. Step 4: Simplify right side
    11,609.43x = 101,008,283.32
  5. Step 5: Solve for x
    x = 101,008,283.32/11,609.43
  6. Step 6: Final answer
    x = 8,700.54

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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.