Home / 13,148.73-19,731.30-8,227.98

Finding the Fourth Proportional to 13,148.73, 19,731.30 and 8,227.98

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Solution

The fourth proportional to 13,148.73, 19,731.30 and 8,227.98 is: 12,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.73 : 19,731.30 = 8,227.98 : x
  2. Step 2: Convert to fraction form
    13,148.73/19,731.30 = 8,227.98/x
  3. Step 3: Cross multiply
    13,148.73x = 19,731.30 × 8,227.98
  4. Step 4: Simplify right side
    13,148.73x = 162,348,710.92
  5. Step 5: Solve for x
    x = 162,348,710.92/13,148.73
  6. Step 6: Final answer
    x = 12,347.10

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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.