Home / 12,732.89-19,097.99-7,793.92

Finding the Fourth Proportional to 12,732.89, 19,097.99 and 7,793.92

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Solution

The fourth proportional to 12,732.89, 19,097.99 and 7,793.92 is: 11,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.89 : 19,097.99 = 7,793.92 : x
  2. Step 2: Convert to fraction form
    12,732.89/19,097.99 = 7,793.92/x
  3. Step 3: Cross multiply
    12,732.89x = 19,097.99 × 7,793.92
  4. Step 4: Simplify right side
    12,732.89x = 148,848,071.76
  5. Step 5: Solve for x
    x = 148,848,071.76/12,732.89
  6. Step 6: Final answer
    x = 11,690.05

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1.5x scale

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.