Home / 9,392.09-12,940.21-6,199.70

Finding the Fourth Proportional to 9,392.09, 12,940.21 and 6,199.70

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Solution

The fourth proportional to 9,392.09, 12,940.21 and 6,199.70 is: 8,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.09 : 12,940.21 = 6,199.70 : x
  2. Step 2: Convert to fraction form
    9,392.09/12,940.21 = 6,199.70/x
  3. Step 3: Cross multiply
    9,392.09x = 12,940.21 × 6,199.70
  4. Step 4: Simplify right side
    9,392.09x = 80,225,362.99
  5. Step 5: Solve for x
    x = 80,225,362.99/9,392.09
  6. Step 6: Final answer
    x = 8,541.81

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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.