Home / 9,992.22-14,989.13-2,972.12

Finding the Fourth Proportional to 9,992.22, 14,989.13 and 2,972.12

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Solution

The fourth proportional to 9,992.22, 14,989.13 and 2,972.12 is: 4,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.22 : 14,989.13 = 2,972.12 : x
  2. Step 2: Convert to fraction form
    9,992.22/14,989.13 = 2,972.12/x
  3. Step 3: Cross multiply
    9,992.22x = 14,989.13 × 2,972.12
  4. Step 4: Simplify right side
    9,992.22x = 44,549,493.06
  5. Step 5: Solve for x
    x = 44,549,493.06/9,992.22
  6. Step 6: Final answer
    x = 4,458.42

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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.