Home / 21,341.70-29,451.52-11,910.27

Finding the Fourth Proportional to 21,341.70, 29,451.52 and 11,910.27

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Solution

The fourth proportional to 21,341.70, 29,451.52 and 11,910.27 is: 16,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.70 : 29,451.52 = 11,910.27 : x
  2. Step 2: Convert to fraction form
    21,341.70/29,451.52 = 11,910.27/x
  3. Step 3: Cross multiply
    21,341.70x = 29,451.52 × 11,910.27
  4. Step 4: Simplify right side
    21,341.70x = 350,775,465.44
  5. Step 5: Solve for x
    x = 350,775,465.44/21,341.70
  6. Step 6: Final answer
    x = 16,436.15

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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.