Home / 21,876.39-32,814.68-12,010.29

Finding the Fourth Proportional to 21,876.39, 32,814.68 and 12,010.29

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Solution

The fourth proportional to 21,876.39, 32,814.68 and 12,010.29 is: 18,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.39 : 32,814.68 = 12,010.29 : x
  2. Step 2: Convert to fraction form
    21,876.39/32,814.68 = 12,010.29/x
  3. Step 3: Cross multiply
    21,876.39x = 32,814.68 × 12,010.29
  4. Step 4: Simplify right side
    21,876.39x = 394,113,763.01
  5. Step 5: Solve for x
    x = 394,113,763.01/21,876.39
  6. Step 6: Final answer
    x = 18,015.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.