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Finding the Fourth Proportional to 19,701.08, 29,551.08 and 6,374.04

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Solution

The fourth proportional to 19,701.08, 29,551.08 and 6,374.04 is: 9,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.08 : 29,551.08 = 6,374.04 : x
  2. Step 2: Convert to fraction form
    19,701.08/29,551.08 = 6,374.04/x
  3. Step 3: Cross multiply
    19,701.08x = 29,551.08 × 6,374.04
  4. Step 4: Simplify right side
    19,701.08x = 188,359,765.96
  5. Step 5: Solve for x
    x = 188,359,765.96/19,701.08
  6. Step 6: Final answer
    x = 9,560.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.