Home / 11,742.95-16,205.25-6,437.79

Finding the Fourth Proportional to 11,742.95, 16,205.25 and 6,437.79

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Solution

The fourth proportional to 11,742.95, 16,205.25 and 6,437.79 is: 8,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.95 : 16,205.25 = 6,437.79 : x
  2. Step 2: Convert to fraction form
    11,742.95/16,205.25 = 6,437.79/x
  3. Step 3: Cross multiply
    11,742.95x = 16,205.25 × 6,437.79
  4. Step 4: Simplify right side
    11,742.95x = 104,325,996.40
  5. Step 5: Solve for x
    x = 104,325,996.40/11,742.95
  6. Step 6: Final answer
    x = 8,884.14

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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.