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Finding the Fourth Proportional to 11,808, 16,295.04 and 6,502.80

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Solution

The fourth proportional to 11,808, 16,295.04 and 6,502.80 is: 8,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808 : 16,295.04 = 6,502.80 : x
  2. Step 2: Convert to fraction form
    11,808/16,295.04 = 6,502.80/x
  3. Step 3: Cross multiply
    11,808x = 16,295.04 × 6,502.80
  4. Step 4: Simplify right side
    11,808x = 105,963,386.11
  5. Step 5: Solve for x
    x = 105,963,386.11/11,808
  6. Step 6: Final answer
    x = 8,973.86

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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.