Home / 21,410.06-29,545.27-11,850.34

Finding the Fourth Proportional to 21,410.06, 29,545.27 and 11,850.34

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Solution

The fourth proportional to 21,410.06, 29,545.27 and 11,850.34 is: 16,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.06 : 29,545.27 = 11,850.34 : x
  2. Step 2: Convert to fraction form
    21,410.06/29,545.27 = 11,850.34/x
  3. Step 3: Cross multiply
    21,410.06x = 29,545.27 × 11,850.34
  4. Step 4: Simplify right side
    21,410.06x = 350,121,287.91
  5. Step 5: Solve for x
    x = 350,121,287.91/21,410.06
  6. Step 6: Final answer
    x = 16,353.12

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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.