Home / 9,403.68-12,976.92-5,211.84

Finding the Fourth Proportional to 9,403.68, 12,976.92 and 5,211.84

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Solution

The fourth proportional to 9,403.68, 12,976.92 and 5,211.84 is: 7,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.68 : 12,976.92 = 5,211.84 : x
  2. Step 2: Convert to fraction form
    9,403.68/12,976.92 = 5,211.84/x
  3. Step 3: Cross multiply
    9,403.68x = 12,976.92 × 5,211.84
  4. Step 4: Simplify right side
    9,403.68x = 67,633,630.73
  5. Step 5: Solve for x
    x = 67,633,630.73/9,403.68
  6. Step 6: Final answer
    x = 7,192.25

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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.