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Finding the Fourth Proportional to 14,703, 20,290.14 and 8,079

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Solution

The fourth proportional to 14,703, 20,290.14 and 8,079 is: 11,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703 : 20,290.14 = 8,079 : x
  2. Step 2: Convert to fraction form
    14,703/20,290.14 = 8,079/x
  3. Step 3: Cross multiply
    14,703x = 20,290.14 × 8,079
  4. Step 4: Simplify right side
    14,703x = 163,924,041.06
  5. Step 5: Solve for x
    x = 163,924,041.06/14,703
  6. Step 6: Final answer
    x = 11,149.02

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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.