Home / 9,236.39-12,729.74-6,992.90

Finding the Fourth Proportional to 9,236.39, 12,729.74 and 6,992.90

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Solution

The fourth proportional to 9,236.39, 12,729.74 and 6,992.90 is: 9,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.39 : 12,729.74 = 6,992.90 : x
  2. Step 2: Convert to fraction form
    9,236.39/12,729.74 = 6,992.90/x
  3. Step 3: Cross multiply
    9,236.39x = 12,729.74 × 6,992.90
  4. Step 4: Simplify right side
    9,236.39x = 89,017,752.68
  5. Step 5: Solve for x
    x = 89,017,752.68/9,236.39
  6. Step 6: Final answer
    x = 9,637.72

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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.