Home / 21,194.94-29,251.36-13,545.27

Finding the Fourth Proportional to 21,194.94, 29,251.36 and 13,545.27

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Solution

The fourth proportional to 21,194.94, 29,251.36 and 13,545.27 is: 18,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.94 : 29,251.36 = 13,545.27 : x
  2. Step 2: Convert to fraction form
    21,194.94/29,251.36 = 13,545.27/x
  3. Step 3: Cross multiply
    21,194.94x = 29,251.36 × 13,545.27
  4. Step 4: Simplify right side
    21,194.94x = 396,217,586.00
  5. Step 5: Solve for x
    x = 396,217,586.00/21,194.94
  6. Step 6: Final answer
    x = 18,693.97

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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.