Home / 19,992.61-29,967.04-12,600.55

Finding the Fourth Proportional to 19,992.61, 29,967.04 and 12,600.55

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Solution

The fourth proportional to 19,992.61, 29,967.04 and 12,600.55 is: 18,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.61 : 29,967.04 = 12,600.55 : x
  2. Step 2: Convert to fraction form
    19,992.61/29,967.04 = 12,600.55/x
  3. Step 3: Cross multiply
    19,992.61x = 29,967.04 × 12,600.55
  4. Step 4: Simplify right side
    19,992.61x = 377,601,185.87
  5. Step 5: Solve for x
    x = 377,601,185.87/19,992.61
  6. Step 6: Final answer
    x = 18,887.04

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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.