Home / 9,633.68-13,278.56-6,445.82

Finding the Fourth Proportional to 9,633.68, 13,278.56 and 6,445.82

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Solution

The fourth proportional to 9,633.68, 13,278.56 and 6,445.82 is: 8,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,633.68 : 13,278.56 = 6,445.82 : x
  2. Step 2: Convert to fraction form
    9,633.68/13,278.56 = 6,445.82/x
  3. Step 3: Cross multiply
    9,633.68x = 13,278.56 × 6,445.82
  4. Step 4: Simplify right side
    9,633.68x = 85,591,208.59
  5. Step 5: Solve for x
    x = 85,591,208.59/9,633.68
  6. Step 6: Final answer
    x = 8,884.59

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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.