Home / 19,688.82-29,531.98-8,001.73

Finding the Fourth Proportional to 19,688.82, 29,531.98 and 8,001.73

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Solution

The fourth proportional to 19,688.82, 29,531.98 and 8,001.73 is: 12,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.82 : 29,531.98 = 8,001.73 : x
  2. Step 2: Convert to fraction form
    19,688.82/29,531.98 = 8,001.73/x
  3. Step 3: Cross multiply
    19,688.82x = 29,531.98 × 8,001.73
  4. Step 4: Simplify right side
    19,688.82x = 236,306,930.33
  5. Step 5: Solve for x
    x = 236,306,930.33/19,688.82
  6. Step 6: Final answer
    x = 12,002.09

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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.