Home / 9,445.28-14,157.38-3,891.92

Finding the Fourth Proportional to 9,445.28, 14,157.38 and 3,891.92

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Solution

The fourth proportional to 9,445.28, 14,157.38 and 3,891.92 is: 5,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.28 : 14,157.38 = 3,891.92 : x
  2. Step 2: Convert to fraction form
    9,445.28/14,157.38 = 3,891.92/x
  3. Step 3: Cross multiply
    9,445.28x = 14,157.38 × 3,891.92
  4. Step 4: Simplify right side
    9,445.28x = 55,099,329.31
  5. Step 5: Solve for x
    x = 55,099,329.31/9,445.28
  6. Step 6: Final answer
    x = 5,833.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.