Home / 19,723.32-27,220.84-12,553.94

Finding the Fourth Proportional to 19,723.32, 27,220.84 and 12,553.94

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Solution

The fourth proportional to 19,723.32, 27,220.84 and 12,553.94 is: 17,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.32 : 27,220.84 = 12,553.94 : x
  2. Step 2: Convert to fraction form
    19,723.32/27,220.84 = 12,553.94/x
  3. Step 3: Cross multiply
    19,723.32x = 27,220.84 × 12,553.94
  4. Step 4: Simplify right side
    19,723.32x = 341,728,792.11
  5. Step 5: Solve for x
    x = 341,728,792.11/19,723.32
  6. Step 6: Final answer
    x = 17,326.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.