Home / 11,609.78-16,021.84-6,573.90

Finding the Fourth Proportional to 11,609.78, 16,021.84 and 6,573.90

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Solution

The fourth proportional to 11,609.78, 16,021.84 and 6,573.90 is: 9,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.78 : 16,021.84 = 6,573.90 : x
  2. Step 2: Convert to fraction form
    11,609.78/16,021.84 = 6,573.90/x
  3. Step 3: Cross multiply
    11,609.78x = 16,021.84 × 6,573.90
  4. Step 4: Simplify right side
    11,609.78x = 105,325,973.98
  5. Step 5: Solve for x
    x = 105,325,973.98/11,609.78
  6. Step 6: Final answer
    x = 9,072.18

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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.