Home / 12,723.22-19,061.94-11,972.93

Finding the Fourth Proportional to 12,723.22, 19,061.94 and 11,972.93

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Solution

The fourth proportional to 12,723.22, 19,061.94 and 11,972.93 is: 17,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.22 : 19,061.94 = 11,972.93 : x
  2. Step 2: Convert to fraction form
    12,723.22/19,061.94 = 11,972.93/x
  3. Step 3: Cross multiply
    12,723.22x = 19,061.94 × 11,972.93
  4. Step 4: Simplify right side
    12,723.22x = 228,227,273.28
  5. Step 5: Solve for x
    x = 228,227,273.28/12,723.22
  6. Step 6: Final answer
    x = 17,937.86

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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.