Home / 19,743.77-29,623.89-8,658.43

Finding the Fourth Proportional to 19,743.77, 29,623.89 and 8,658.43

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Solution

The fourth proportional to 19,743.77, 29,623.89 and 8,658.43 is: 12,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.77 : 29,623.89 = 8,658.43 : x
  2. Step 2: Convert to fraction form
    19,743.77/29,623.89 = 8,658.43/x
  3. Step 3: Cross multiply
    19,743.77x = 29,623.89 × 8,658.43
  4. Step 4: Simplify right side
    19,743.77x = 256,496,229.77
  5. Step 5: Solve for x
    x = 256,496,229.77/19,743.77
  6. Step 6: Final answer
    x = 12,991.25

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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.