Home / 21,409.69-29,545.43-11,850.24

Finding the Fourth Proportional to 21,409.69, 29,545.43 and 11,850.24

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Solution

The fourth proportional to 21,409.69, 29,545.43 and 11,850.24 is: 16,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.69 : 29,545.43 = 11,850.24 : x
  2. Step 2: Convert to fraction form
    21,409.69/29,545.43 = 11,850.24/x
  3. Step 3: Cross multiply
    21,409.69x = 29,545.43 × 11,850.24
  4. Step 4: Simplify right side
    21,409.69x = 350,120,229.42
  5. Step 5: Solve for x
    x = 350,120,229.42/21,409.69
  6. Step 6: Final answer
    x = 16,353.35

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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.