Home / 10,956.85-16,442.55-4,031.35

Finding the Fourth Proportional to 10,956.85, 16,442.55 and 4,031.35

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Solution

The fourth proportional to 10,956.85, 16,442.55 and 4,031.35 is: 6,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.85 : 16,442.55 = 4,031.35 : x
  2. Step 2: Convert to fraction form
    10,956.85/16,442.55 = 4,031.35/x
  3. Step 3: Cross multiply
    10,956.85x = 16,442.55 × 4,031.35
  4. Step 4: Simplify right side
    10,956.85x = 66,285,673.94
  5. Step 5: Solve for x
    x = 66,285,673.94/10,956.85
  6. Step 6: Final answer
    x = 6,049.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.