Home / 19,784.61-29,676.85-8,097.84

Finding the Fourth Proportional to 19,784.61, 29,676.85 and 8,097.84

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Solution

The fourth proportional to 19,784.61, 29,676.85 and 8,097.84 is: 12,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.61 : 29,676.85 = 8,097.84 : x
  2. Step 2: Convert to fraction form
    19,784.61/29,676.85 = 8,097.84/x
  3. Step 3: Cross multiply
    19,784.61x = 29,676.85 × 8,097.84
  4. Step 4: Simplify right side
    19,784.61x = 240,318,362.76
  5. Step 5: Solve for x
    x = 240,318,362.76/19,784.61
  6. Step 6: Final answer
    x = 12,146.73

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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.