Home / 11,742.96-16,205.36-6,437.84

Finding the Fourth Proportional to 11,742.96, 16,205.36 and 6,437.84

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Solution

The fourth proportional to 11,742.96, 16,205.36 and 6,437.84 is: 8,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.96 : 16,205.36 = 6,437.84 : x
  2. Step 2: Convert to fraction form
    11,742.96/16,205.36 = 6,437.84/x
  3. Step 3: Cross multiply
    11,742.96x = 16,205.36 × 6,437.84
  4. Step 4: Simplify right side
    11,742.96x = 104,327,514.82
  5. Step 5: Solve for x
    x = 104,327,514.82/11,742.96
  6. Step 6: Final answer
    x = 8,884.26

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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.