Home / 14,511.48-21,766.31-8,663.69

Finding the Fourth Proportional to 14,511.48, 21,766.31 and 8,663.69

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Solution

The fourth proportional to 14,511.48, 21,766.31 and 8,663.69 is: 12,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.48 : 21,766.31 = 8,663.69 : x
  2. Step 2: Convert to fraction form
    14,511.48/21,766.31 = 8,663.69/x
  3. Step 3: Cross multiply
    14,511.48x = 21,766.31 × 8,663.69
  4. Step 4: Simplify right side
    14,511.48x = 188,576,562.28
  5. Step 5: Solve for x
    x = 188,576,562.28/14,511.48
  6. Step 6: Final answer
    x = 12,994.99

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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.