Home / 11,751.42-16,216.86-6,446.13

Finding the Fourth Proportional to 11,751.42, 16,216.86 and 6,446.13

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Solution

The fourth proportional to 11,751.42, 16,216.86 and 6,446.13 is: 8,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.42 : 16,216.86 = 6,446.13 : x
  2. Step 2: Convert to fraction form
    11,751.42/16,216.86 = 6,446.13/x
  3. Step 3: Cross multiply
    11,751.42x = 16,216.86 × 6,446.13
  4. Step 4: Simplify right side
    11,751.42x = 104,535,987.75
  5. Step 5: Solve for x
    x = 104,535,987.75/11,751.42
  6. Step 6: Final answer
    x = 8,895.60

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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.