Home / 11,733.55-16,192.30-6,428.38

Finding the Fourth Proportional to 11,733.55, 16,192.30 and 6,428.38

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Solution

The fourth proportional to 11,733.55, 16,192.30 and 6,428.38 is: 8,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.55 : 16,192.30 = 6,428.38 : x
  2. Step 2: Convert to fraction form
    11,733.55/16,192.30 = 6,428.38/x
  3. Step 3: Cross multiply
    11,733.55x = 16,192.30 × 6,428.38
  4. Step 4: Simplify right side
    11,733.55x = 104,090,257.47
  5. Step 5: Solve for x
    x = 104,090,257.47/11,733.55
  6. Step 6: Final answer
    x = 8,871.16

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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.