Home / 21,403.34-32,101.83-8,254.07

Finding the Fourth Proportional to 21,403.34, 32,101.83 and 8,254.07

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Solution

The fourth proportional to 21,403.34, 32,101.83 and 8,254.07 is: 12,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.34 : 32,101.83 = 8,254.07 : x
  2. Step 2: Convert to fraction form
    21,403.34/32,101.83 = 8,254.07/x
  3. Step 3: Cross multiply
    21,403.34x = 32,101.83 × 8,254.07
  4. Step 4: Simplify right side
    21,403.34x = 264,970,591.44
  5. Step 5: Solve for x
    x = 264,970,591.44/21,403.34
  6. Step 6: Final answer
    x = 12,379.87

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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.