Home / 19,644.48-29,450.08-8,542.80

Finding the Fourth Proportional to 19,644.48, 29,450.08 and 8,542.80

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Solution

The fourth proportional to 19,644.48, 29,450.08 and 8,542.80 is: 12,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.48 : 29,450.08 = 8,542.80 : x
  2. Step 2: Convert to fraction form
    19,644.48/29,450.08 = 8,542.80/x
  3. Step 3: Cross multiply
    19,644.48x = 29,450.08 × 8,542.80
  4. Step 4: Simplify right side
    19,644.48x = 251,586,143.42
  5. Step 5: Solve for x
    x = 251,586,143.42/19,644.48
  6. Step 6: Final answer
    x = 12,806.96

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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.