Home / 21,451.50-32,194.53-11,066.22

Finding the Fourth Proportional to 21,451.50, 32,194.53 and 11,066.22

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Solution

The fourth proportional to 21,451.50, 32,194.53 and 11,066.22 is: 16,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451.50 : 32,194.53 = 11,066.22 : x
  2. Step 2: Convert to fraction form
    21,451.50/32,194.53 = 11,066.22/x
  3. Step 3: Cross multiply
    21,451.50x = 32,194.53 × 11,066.22
  4. Step 4: Simplify right side
    21,451.50x = 356,271,751.78
  5. Step 5: Solve for x
    x = 356,271,751.78/21,451.50
  6. Step 6: Final answer
    x = 16,608.24

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Double scale
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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.