Home / 21,545.94-29,733.54-12,591.65

Finding the Fourth Proportional to 21,545.94, 29,733.54 and 12,591.65

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Solution

The fourth proportional to 21,545.94, 29,733.54 and 12,591.65 is: 17,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.94 : 29,733.54 = 12,591.65 : x
  2. Step 2: Convert to fraction form
    21,545.94/29,733.54 = 12,591.65/x
  3. Step 3: Cross multiply
    21,545.94x = 29,733.54 × 12,591.65
  4. Step 4: Simplify right side
    21,545.94x = 374,394,328.94
  5. Step 5: Solve for x
    x = 374,394,328.94/21,545.94
  6. Step 6: Final answer
    x = 17,376.56

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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.