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Finding the Fourth Proportional to 14,730, 20,323.08 and 8,758.68

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Solution

The fourth proportional to 14,730, 20,323.08 and 8,758.68 is: 12,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730 : 20,323.08 = 8,758.68 : x
  2. Step 2: Convert to fraction form
    14,730/20,323.08 = 8,758.68/x
  3. Step 3: Cross multiply
    14,730x = 20,323.08 × 8,758.68
  4. Step 4: Simplify right side
    14,730x = 178,003,354.33
  5. Step 5: Solve for x
    x = 178,003,354.33/14,730
  6. Step 6: Final answer
    x = 12,084.41

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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.