Home / 11,748.48-16,212.94-6,443.38

Finding the Fourth Proportional to 11,748.48, 16,212.94 and 6,443.38

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Solution

The fourth proportional to 11,748.48, 16,212.94 and 6,443.38 is: 8,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.48 : 16,212.94 = 6,443.38 : x
  2. Step 2: Convert to fraction form
    11,748.48/16,212.94 = 6,443.38/x
  3. Step 3: Cross multiply
    11,748.48x = 16,212.94 × 6,443.38
  4. Step 4: Simplify right side
    11,748.48x = 104,466,133.34
  5. Step 5: Solve for x
    x = 104,466,133.34/11,748.48
  6. Step 6: Final answer
    x = 8,891.89

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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.