Home / 21,467.30-32,211.27-11,079.05

Finding the Fourth Proportional to 21,467.30, 32,211.27 and 11,079.05

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Solution

The fourth proportional to 21,467.30, 32,211.27 and 11,079.05 is: 16,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.30 : 32,211.27 = 11,079.05 : x
  2. Step 2: Convert to fraction form
    21,467.30/32,211.27 = 11,079.05/x
  3. Step 3: Cross multiply
    21,467.30x = 32,211.27 × 11,079.05
  4. Step 4: Simplify right side
    21,467.30x = 356,870,109.84
  5. Step 5: Solve for x
    x = 356,870,109.84/21,467.30
  6. Step 6: Final answer
    x = 16,623.90

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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.