Home / 11,861.39-16,367.28-6,555.47

Finding the Fourth Proportional to 11,861.39, 16,367.28 and 6,555.47

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Solution

The fourth proportional to 11,861.39, 16,367.28 and 6,555.47 is: 9,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.39 : 16,367.28 = 6,555.47 : x
  2. Step 2: Convert to fraction form
    11,861.39/16,367.28 = 6,555.47/x
  3. Step 3: Cross multiply
    11,861.39x = 16,367.28 × 6,555.47
  4. Step 4: Simplify right side
    11,861.39x = 107,295,213.02
  5. Step 5: Solve for x
    x = 107,295,213.02/11,861.39
  6. Step 6: Final answer
    x = 9,045.75

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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.