Home / 21,644.47-32,408.05-11,234.35

Finding the Fourth Proportional to 21,644.47, 32,408.05 and 11,234.35

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Solution

The fourth proportional to 21,644.47, 32,408.05 and 11,234.35 is: 16,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644.47 : 32,408.05 = 11,234.35 : x
  2. Step 2: Convert to fraction form
    21,644.47/32,408.05 = 11,234.35/x
  3. Step 3: Cross multiply
    21,644.47x = 32,408.05 × 11,234.35
  4. Step 4: Simplify right side
    21,644.47x = 364,083,227.71
  5. Step 5: Solve for x
    x = 364,083,227.71/21,644.47
  6. Step 6: Final answer
    x = 16,821.08

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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.