Home / 9,539.88-14,315.39-3,992.74

Finding the Fourth Proportional to 9,539.88, 14,315.39 and 3,992.74

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Solution

The fourth proportional to 9,539.88, 14,315.39 and 3,992.74 is: 5,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.88 : 14,315.39 = 3,992.74 : x
  2. Step 2: Convert to fraction form
    9,539.88/14,315.39 = 3,992.74/x
  3. Step 3: Cross multiply
    9,539.88x = 14,315.39 × 3,992.74
  4. Step 4: Simplify right side
    9,539.88x = 57,157,630.27
  5. Step 5: Solve for x
    x = 57,157,630.27/9,539.88
  6. Step 6: Final answer
    x = 5,991.44

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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.