Home / 21,606.08-32,396.32-8,279.84

Finding the Fourth Proportional to 21,606.08, 32,396.32 and 8,279.84

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Solution

The fourth proportional to 21,606.08, 32,396.32 and 8,279.84 is: 12,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.08 : 32,396.32 = 8,279.84 : x
  2. Step 2: Convert to fraction form
    21,606.08/32,396.32 = 8,279.84/x
  3. Step 3: Cross multiply
    21,606.08x = 32,396.32 × 8,279.84
  4. Step 4: Simplify right side
    21,606.08x = 268,236,346.19
  5. Step 5: Solve for x
    x = 268,236,346.19/21,606.08
  6. Step 6: Final answer
    x = 12,414.85

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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.