Home / 11,733.39-16,192.44-6,428.57

Finding the Fourth Proportional to 11,733.39, 16,192.44 and 6,428.57

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Solution

The fourth proportional to 11,733.39, 16,192.44 and 6,428.57 is: 8,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.39 : 16,192.44 = 6,428.57 : x
  2. Step 2: Convert to fraction form
    11,733.39/16,192.44 = 6,428.57/x
  3. Step 3: Cross multiply
    11,733.39x = 16,192.44 × 6,428.57
  4. Step 4: Simplify right side
    11,733.39x = 104,094,153.05
  5. Step 5: Solve for x
    x = 104,094,153.05/11,733.39
  6. Step 6: Final answer
    x = 8,871.62

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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.