Home / 11,751.42-16,216.96-6,446.25

Finding the Fourth Proportional to 11,751.42, 16,216.96 and 6,446.25

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Solution

The fourth proportional to 11,751.42, 16,216.96 and 6,446.25 is: 8,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.42 : 16,216.96 = 6,446.25 : x
  2. Step 2: Convert to fraction form
    11,751.42/16,216.96 = 6,446.25/x
  3. Step 3: Cross multiply
    11,751.42x = 16,216.96 × 6,446.25
  4. Step 4: Simplify right side
    11,751.42x = 104,538,586.46
  5. Step 5: Solve for x
    x = 104,538,586.46/11,751.42
  6. Step 6: Final answer
    x = 8,895.82

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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.