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Finding the Fourth Proportional to 11,673.84, 16,110.10 and 6,368.84

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Solution

The fourth proportional to 11,673.84, 16,110.10 and 6,368.84 is: 8,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.84 : 16,110.10 = 6,368.84 : x
  2. Step 2: Convert to fraction form
    11,673.84/16,110.10 = 6,368.84/x
  3. Step 3: Cross multiply
    11,673.84x = 16,110.10 × 6,368.84
  4. Step 4: Simplify right side
    11,673.84x = 102,602,649.28
  5. Step 5: Solve for x
    x = 102,602,649.28/11,673.84
  6. Step 6: Final answer
    x = 8,789.11

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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.