Home / 9,409.20-13,071.84-9,323.56

Finding the Fourth Proportional to 9,409.20, 13,071.84 and 9,323.56

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Solution

The fourth proportional to 9,409.20, 13,071.84 and 9,323.56 is: 12,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.20 : 13,071.84 = 9,323.56 : x
  2. Step 2: Convert to fraction form
    9,409.20/13,071.84 = 9,323.56/x
  3. Step 3: Cross multiply
    9,409.20x = 13,071.84 × 9,323.56
  4. Step 4: Simplify right side
    9,409.20x = 121,876,084.55
  5. Step 5: Solve for x
    x = 121,876,084.55/9,409.20
  6. Step 6: Final answer
    x = 12,952.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.