Home / 11,824.20-16,317.05-6,446.43

Finding the Fourth Proportional to 11,824.20, 16,317.05 and 6,446.43

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Solution

The fourth proportional to 11,824.20, 16,317.05 and 6,446.43 is: 8,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.20 : 16,317.05 = 6,446.43 : x
  2. Step 2: Convert to fraction form
    11,824.20/16,317.05 = 6,446.43/x
  3. Step 3: Cross multiply
    11,824.20x = 16,317.05 × 6,446.43
  4. Step 4: Simplify right side
    11,824.20x = 105,186,688.40
  5. Step 5: Solve for x
    x = 105,186,688.40/11,824.20
  6. Step 6: Final answer
    x = 8,895.88

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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.