Home / 21,610.37-32,393.33-8,279.74

Finding the Fourth Proportional to 21,610.37, 32,393.33 and 8,279.74

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Solution

The fourth proportional to 21,610.37, 32,393.33 and 8,279.74 is: 12,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.37 : 32,393.33 = 8,279.74 : x
  2. Step 2: Convert to fraction form
    21,610.37/32,393.33 = 8,279.74/x
  3. Step 3: Cross multiply
    21,610.37x = 32,393.33 × 8,279.74
  4. Step 4: Simplify right side
    21,610.37x = 268,208,380.28
  5. Step 5: Solve for x
    x = 268,208,380.28/21,610.37
  6. Step 6: Final answer
    x = 12,411.09

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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.