Home / 11,747.03-16,211.10-6,441.78

Finding the Fourth Proportional to 11,747.03, 16,211.10 and 6,441.78

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Solution

The fourth proportional to 11,747.03, 16,211.10 and 6,441.78 is: 8,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.03 : 16,211.10 = 6,441.78 : x
  2. Step 2: Convert to fraction form
    11,747.03/16,211.10 = 6,441.78/x
  3. Step 3: Cross multiply
    11,747.03x = 16,211.10 × 6,441.78
  4. Step 4: Simplify right side
    11,747.03x = 104,428,339.76
  5. Step 5: Solve for x
    x = 104,428,339.76/11,747.03
  6. Step 6: Final answer
    x = 8,889.77

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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.