Home / 21,669.42-32,511.96-8,514.48

Finding the Fourth Proportional to 21,669.42, 32,511.96 and 8,514.48

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Solution

The fourth proportional to 21,669.42, 32,511.96 and 8,514.48 is: 12,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.42 : 32,511.96 = 8,514.48 : x
  2. Step 2: Convert to fraction form
    21,669.42/32,511.96 = 8,514.48/x
  3. Step 3: Cross multiply
    21,669.42x = 32,511.96 × 8,514.48
  4. Step 4: Simplify right side
    21,669.42x = 276,822,433.18
  5. Step 5: Solve for x
    x = 276,822,433.18/21,669.42
  6. Step 6: Final answer
    x = 12,774.80

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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.