Home / 11,872.20-16,384.56-6,567.50

Finding the Fourth Proportional to 11,872.20, 16,384.56 and 6,567.50

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Solution

The fourth proportional to 11,872.20, 16,384.56 and 6,567.50 is: 9,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.20 : 16,384.56 = 6,567.50 : x
  2. Step 2: Convert to fraction form
    11,872.20/16,384.56 = 6,567.50/x
  3. Step 3: Cross multiply
    11,872.20x = 16,384.56 × 6,567.50
  4. Step 4: Simplify right side
    11,872.20x = 107,605,597.80
  5. Step 5: Solve for x
    x = 107,605,597.80/11,872.20
  6. Step 6: Final answer
    x = 9,063.66

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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.